Home / 338,966.86-508,617.15-239,764.54

Finding the Fourth Proportional to 338,966.86, 508,617.15 and 239,764.54

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Solution

The fourth proportional to 338,966.86, 508,617.15 and 239,764.54 is: 359,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,966.86 : 508,617.15 = 239,764.54 : x
  2. Step 2: Convert to fraction form
    338,966.86/508,617.15 = 239,764.54/x
  3. Step 3: Cross multiply
    338,966.86x = 508,617.15 × 239,764.54
  4. Step 4: Simplify right side
    338,966.86x = 121,948,357,005.86
  5. Step 5: Solve for x
    x = 121,948,357,005.86/338,966.86
  6. Step 6: Final answer
    x = 359,764.84

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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.