Home / 353,212.20-529,818.30-100,492.20

Finding the Fourth Proportional to 353,212.20, 529,818.30 and 100,492.20

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Solution

The fourth proportional to 353,212.20, 529,818.30 and 100,492.20 is: 150,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,212.20 : 529,818.30 = 100,492.20 : x
  2. Step 2: Convert to fraction form
    353,212.20/529,818.30 = 100,492.20/x
  3. Step 3: Cross multiply
    353,212.20x = 529,818.30 × 100,492.20
  4. Step 4: Simplify right side
    353,212.20x = 53,242,606,567.26
  5. Step 5: Solve for x
    x = 53,242,606,567.26/353,212.20
  6. Step 6: Final answer
    x = 150,738.30

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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.