Home / 438,196.52-657,294.80-105,772.52

Finding the Fourth Proportional to 438,196.52, 657,294.80 and 105,772.52

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Solution

The fourth proportional to 438,196.52, 657,294.80 and 105,772.52 is: 158,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,196.52 : 657,294.80 = 105,772.52 : x
  2. Step 2: Convert to fraction form
    438,196.52/657,294.80 = 105,772.52/x
  3. Step 3: Cross multiply
    438,196.52x = 657,294.80 × 105,772.52
  4. Step 4: Simplify right side
    438,196.52x = 69,523,727,378.90
  5. Step 5: Solve for x
    x = 69,523,727,378.90/438,196.52
  6. Step 6: Final answer
    x = 158,658.78

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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.