Home / 357,024.50-535,538.76-90,785.18

Finding the Fourth Proportional to 357,024.50, 535,538.76 and 90,785.18

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Solution

The fourth proportional to 357,024.50, 535,538.76 and 90,785.18 is: 136,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,024.50 : 535,538.76 = 90,785.18 : x
  2. Step 2: Convert to fraction form
    357,024.50/535,538.76 = 90,785.18/x
  3. Step 3: Cross multiply
    357,024.50x = 535,538.76 × 90,785.18
  4. Step 4: Simplify right side
    357,024.50x = 48,618,982,723.58
  5. Step 5: Solve for x
    x = 48,618,982,723.58/357,024.50
  6. Step 6: Final answer
    x = 136,178.28

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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.