Home / 372,557.48-558,838.04-135,899.78

Finding the Fourth Proportional to 372,557.48, 558,838.04 and 135,899.78

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Solution

The fourth proportional to 372,557.48, 558,838.04 and 135,899.78 is: 203,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,557.48 : 558,838.04 = 135,899.78 : x
  2. Step 2: Convert to fraction form
    372,557.48/558,838.04 = 135,899.78/x
  3. Step 3: Cross multiply
    372,557.48x = 558,838.04 × 135,899.78
  4. Step 4: Simplify right side
    372,557.48x = 75,945,963,217.94
  5. Step 5: Solve for x
    x = 75,945,963,217.94/372,557.48
  6. Step 6: Final answer
    x = 203,850.33

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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.