Home / 338,007.20-506,984.40-88,682.72

Finding the Fourth Proportional to 338,007.20, 506,984.40 and 88,682.72

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Solution

The fourth proportional to 338,007.20, 506,984.40 and 88,682.72 is: 133,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,007.20 : 506,984.40 = 88,682.72 : x
  2. Step 2: Convert to fraction form
    338,007.20/506,984.40 = 88,682.72/x
  3. Step 3: Cross multiply
    338,007.20x = 506,984.40 × 88,682.72
  4. Step 4: Simplify right side
    338,007.20x = 44,960,755,589.57
  5. Step 5: Solve for x
    x = 44,960,755,589.57/338,007.20
  6. Step 6: Final answer
    x = 133,017.15

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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.