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Finding the Fourth Proportional to 238,907.52, 358,333.56 and 89,153.04

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Solution

The fourth proportional to 238,907.52, 358,333.56 and 89,153.04 is: 133,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,907.52 : 358,333.56 = 89,153.04 : x
  2. Step 2: Convert to fraction form
    238,907.52/358,333.56 = 89,153.04/x
  3. Step 3: Cross multiply
    238,907.52x = 358,333.56 × 89,153.04
  4. Step 4: Simplify right side
    238,907.52x = 31,946,526,208.02
  5. Step 5: Solve for x
    x = 31,946,526,208.02/238,907.52
  6. Step 6: Final answer
    x = 133,719.22

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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.