Home / 372,542.58-558,476.88-135,829.86

Finding the Fourth Proportional to 372,542.58, 558,476.88 and 135,829.86

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Solution

The fourth proportional to 372,542.58, 558,476.88 and 135,829.86 is: 203,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,542.58 : 558,476.88 = 135,829.86 : x
  2. Step 2: Convert to fraction form
    372,542.58/558,476.88 = 135,829.86/x
  3. Step 3: Cross multiply
    372,542.58x = 558,476.88 × 135,829.86
  4. Step 4: Simplify right side
    372,542.58x = 75,857,836,423.64
  5. Step 5: Solve for x
    x = 75,857,836,423.64/372,542.58
  6. Step 6: Final answer
    x = 203,621.92

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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.