Home / 415,862.24-623,816.05-131,531.56

Finding the Fourth Proportional to 415,862.24, 623,816.05 and 131,531.56

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Solution

The fourth proportional to 415,862.24, 623,816.05 and 131,531.56 is: 197,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,862.24 : 623,816.05 = 131,531.56 : x
  2. Step 2: Convert to fraction form
    415,862.24/623,816.05 = 131,531.56/x
  3. Step 3: Cross multiply
    415,862.24x = 623,816.05 × 131,531.56
  4. Step 4: Simplify right side
    415,862.24x = 82,051,495,090.46
  5. Step 5: Solve for x
    x = 82,051,495,090.46/415,862.24
  6. Step 6: Final answer
    x = 197,304.51

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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.