Home / 437,922.15-656,826.63-138,432.95

Finding the Fourth Proportional to 437,922.15, 656,826.63 and 138,432.95

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Solution

The fourth proportional to 437,922.15, 656,826.63 and 138,432.95 is: 207,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,922.15 : 656,826.63 = 138,432.95 : x
  2. Step 2: Convert to fraction form
    437,922.15/656,826.63 = 138,432.95/x
  3. Step 3: Cross multiply
    437,922.15x = 656,826.63 × 138,432.95
  4. Step 4: Simplify right side
    437,922.15x = 90,926,444,745.33
  5. Step 5: Solve for x
    x = 90,926,444,745.33/437,922.15
  6. Step 6: Final answer
    x = 207,631.53

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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.