Home / 373,355.20-559,932.36-136,699.12

Finding the Fourth Proportional to 373,355.20, 559,932.36 and 136,699.12

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Solution

The fourth proportional to 373,355.20, 559,932.36 and 136,699.12 is: 205,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,355.20 : 559,932.36 = 136,699.12 : x
  2. Step 2: Convert to fraction form
    373,355.20/559,932.36 = 136,699.12/x
  3. Step 3: Cross multiply
    373,355.20x = 559,932.36 × 136,699.12
  4. Step 4: Simplify right side
    373,355.20x = 76,542,260,871.52
  5. Step 5: Solve for x
    x = 76,542,260,871.52/373,355.20
  6. Step 6: Final answer
    x = 205,011.91

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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.