Home / 346,054.20-519,081.30-252,742.20

Finding the Fourth Proportional to 346,054.20, 519,081.30 and 252,742.20

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Solution

The fourth proportional to 346,054.20, 519,081.30 and 252,742.20 is: 379,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,054.20 : 519,081.30 = 252,742.20 : x
  2. Step 2: Convert to fraction form
    346,054.20/519,081.30 = 252,742.20/x
  3. Step 3: Cross multiply
    346,054.20x = 519,081.30 × 252,742.20
  4. Step 4: Simplify right side
    346,054.20x = 131,193,749,740.86
  5. Step 5: Solve for x
    x = 131,193,749,740.86/346,054.20
  6. Step 6: Final answer
    x = 379,113.30

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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.