Home / 372,221.10-558,331.65-91,738.35

Finding the Fourth Proportional to 372,221.10, 558,331.65 and 91,738.35

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Solution

The fourth proportional to 372,221.10, 558,331.65 and 91,738.35 is: 137,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,221.10 : 558,331.65 = 91,738.35 : x
  2. Step 2: Convert to fraction form
    372,221.10/558,331.65 = 91,738.35/x
  3. Step 3: Cross multiply
    372,221.10x = 558,331.65 × 91,738.35
  4. Step 4: Simplify right side
    372,221.10x = 51,220,424,323.78
  5. Step 5: Solve for x
    x = 51,220,424,323.78/372,221.10
  6. Step 6: Final answer
    x = 137,607.53

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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.