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Finding the Fourth Proportional to 372,925.98, 559,469.94 and 136,268.28

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Solution

The fourth proportional to 372,925.98, 559,469.94 and 136,268.28 is: 204,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,925.98 : 559,469.94 = 136,268.28 : x
  2. Step 2: Convert to fraction form
    372,925.98/559,469.94 = 136,268.28/x
  3. Step 3: Cross multiply
    372,925.98x = 559,469.94 × 136,268.28
  4. Step 4: Simplify right side
    372,925.98x = 76,238,006,435.50
  5. Step 5: Solve for x
    x = 76,238,006,435.50/372,925.98
  6. Step 6: Final answer
    x = 204,432.01

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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.