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Finding the Fourth Proportional to 292,672.44, 438,998.70 and 124,084.24

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Solution

The fourth proportional to 292,672.44, 438,998.70 and 124,084.24 is: 186,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,672.44 : 438,998.70 = 124,084.24 : x
  2. Step 2: Convert to fraction form
    292,672.44/438,998.70 = 124,084.24/x
  3. Step 3: Cross multiply
    292,672.44x = 438,998.70 × 124,084.24
  4. Step 4: Simplify right side
    292,672.44x = 54,472,820,050.49
  5. Step 5: Solve for x
    x = 54,472,820,050.49/292,672.44
  6. Step 6: Final answer
    x = 186,122.14

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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.