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Finding the Fourth Proportional to 432,081.26, 596,268.92 and 238,488.93

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Solution

The fourth proportional to 432,081.26, 596,268.92 and 238,488.93 is: 329,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,081.26 : 596,268.92 = 238,488.93 : x
  2. Step 2: Convert to fraction form
    432,081.26/596,268.92 = 238,488.93/x
  3. Step 3: Cross multiply
    432,081.26x = 596,268.92 × 238,488.93
  4. Step 4: Simplify right side
    432,081.26x = 142,203,538,325.53
  5. Step 5: Solve for x
    x = 142,203,538,325.53/432,081.26
  6. Step 6: Final answer
    x = 329,112.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.