Home / 371,747.52-557,642.40-105,486.96

Finding the Fourth Proportional to 371,747.52, 557,642.40 and 105,486.96

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Solution

The fourth proportional to 371,747.52, 557,642.40 and 105,486.96 is: 158,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,747.52 : 557,642.40 = 105,486.96 : x
  2. Step 2: Convert to fraction form
    371,747.52/557,642.40 = 105,486.96/x
  3. Step 3: Cross multiply
    371,747.52x = 557,642.40 × 105,486.96
  4. Step 4: Simplify right side
    371,747.52x = 58,824,001,543.10
  5. Step 5: Solve for x
    x = 58,824,001,543.10/371,747.52
  6. Step 6: Final answer
    x = 158,236.43

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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.