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Finding the Fourth Proportional to 272,304.60, 408,529.80 and 242,925.90

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Solution

The fourth proportional to 272,304.60, 408,529.80 and 242,925.90 is: 364,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,304.60 : 408,529.80 = 242,925.90 : x
  2. Step 2: Convert to fraction form
    272,304.60/408,529.80 = 242,925.90/x
  3. Step 3: Cross multiply
    272,304.60x = 408,529.80 × 242,925.90
  4. Step 4: Simplify right side
    272,304.60x = 99,242,469,341.82
  5. Step 5: Solve for x
    x = 99,242,469,341.82/272,304.60
  6. Step 6: Final answer
    x = 364,453.88

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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.