Home / 272,557.14-408,874.77-72,884.22

Finding the Fourth Proportional to 272,557.14, 408,874.77 and 72,884.22

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Solution

The fourth proportional to 272,557.14, 408,874.77 and 72,884.22 is: 109,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,557.14 : 408,874.77 = 72,884.22 : x
  2. Step 2: Convert to fraction form
    272,557.14/408,874.77 = 72,884.22/x
  3. Step 3: Cross multiply
    272,557.14x = 408,874.77 × 72,884.22
  4. Step 4: Simplify right side
    272,557.14x = 29,800,518,689.13
  5. Step 5: Solve for x
    x = 29,800,518,689.13/272,557.14
  6. Step 6: Final answer
    x = 109,336.77

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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.