Home / 400,061.10-552,084.28-218,773.14

Finding the Fourth Proportional to 400,061.10, 552,084.28 and 218,773.14

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Solution

The fourth proportional to 400,061.10, 552,084.28 and 218,773.14 is: 301,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,061.10 : 552,084.28 = 218,773.14 : x
  2. Step 2: Convert to fraction form
    400,061.10/552,084.28 = 218,773.14/x
  3. Step 3: Cross multiply
    400,061.10x = 552,084.28 × 218,773.14
  4. Step 4: Simplify right side
    400,061.10x = 120,781,211,480.24
  5. Step 5: Solve for x
    x = 120,781,211,480.24/400,061.10
  6. Step 6: Final answer
    x = 301,906.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.