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Finding the Fourth Proportional to 238,068.96, 357,124.40 and 88,310.84

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Solution

The fourth proportional to 238,068.96, 357,124.40 and 88,310.84 is: 132,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,068.96 : 357,124.40 = 88,310.84 : x
  2. Step 2: Convert to fraction form
    238,068.96/357,124.40 = 88,310.84/x
  3. Step 3: Cross multiply
    238,068.96x = 357,124.40 × 88,310.84
  4. Step 4: Simplify right side
    238,068.96x = 31,537,955,748.50
  5. Step 5: Solve for x
    x = 31,537,955,748.50/238,068.96
  6. Step 6: Final answer
    x = 132,474.04

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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.