Home / 372,915.90-559,373.40-92,433.15

Finding the Fourth Proportional to 372,915.90, 559,373.40 and 92,433.15

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Solution

The fourth proportional to 372,915.90, 559,373.40 and 92,433.15 is: 138,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,915.90 : 559,373.40 = 92,433.15 : x
  2. Step 2: Convert to fraction form
    372,915.90/559,373.40 = 92,433.15/x
  3. Step 3: Cross multiply
    372,915.90x = 559,373.40 × 92,433.15
  4. Step 4: Simplify right side
    372,915.90x = 51,704,645,388.21
  5. Step 5: Solve for x
    x = 51,704,645,388.21/372,915.90
  6. Step 6: Final answer
    x = 138,649.61

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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.