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Finding the Fourth Proportional to 372,573.93, 558,900.69 and 159,363.90

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Solution

The fourth proportional to 372,573.93, 558,900.69 and 159,363.90 is: 239,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,573.93 : 558,900.69 = 159,363.90 : x
  2. Step 2: Convert to fraction form
    372,573.93/558,900.69 = 159,363.90/x
  3. Step 3: Cross multiply
    372,573.93x = 558,900.69 × 159,363.90
  4. Step 4: Simplify right side
    372,573.93x = 89,068,593,671.09
  5. Step 5: Solve for x
    x = 89,068,593,671.09/372,573.93
  6. Step 6: Final answer
    x = 239,062.87

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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.