Home / 346,492.20-519,738.30-253,180.20

Finding the Fourth Proportional to 346,492.20, 519,738.30 and 253,180.20

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Solution

The fourth proportional to 346,492.20, 519,738.30 and 253,180.20 is: 379,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,492.20 : 519,738.30 = 253,180.20 : x
  2. Step 2: Convert to fraction form
    346,492.20/519,738.30 = 253,180.20/x
  3. Step 3: Cross multiply
    346,492.20x = 519,738.30 × 253,180.20
  4. Step 4: Simplify right side
    346,492.20x = 131,587,446,741.66
  5. Step 5: Solve for x
    x = 131,587,446,741.66/346,492.20
  6. Step 6: Final answer
    x = 379,770.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.