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Finding the Fourth Proportional to 227,485.92, 341,269.00 and 77,691.10

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Solution

The fourth proportional to 227,485.92, 341,269.00 and 77,691.10 is: 116,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,485.92 : 341,269.00 = 77,691.10 : x
  2. Step 2: Convert to fraction form
    227,485.92/341,269.00 = 77,691.10/x
  3. Step 3: Cross multiply
    227,485.92x = 341,269.00 × 77,691.10
  4. Step 4: Simplify right side
    227,485.92x = 26,513,563,598.38
  5. Step 5: Solve for x
    x = 26,513,563,598.38/227,485.92
  6. Step 6: Final answer
    x = 116,550.35

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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.