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Finding the Fourth Proportional to 436,253.82, 654,388.92 and 136,727.76

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Solution

The fourth proportional to 436,253.82, 654,388.92 and 136,727.76 is: 205,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,253.82 : 654,388.92 = 136,727.76 : x
  2. Step 2: Convert to fraction form
    436,253.82/654,388.92 = 136,727.76/x
  3. Step 3: Cross multiply
    436,253.82x = 654,388.92 × 136,727.76
  4. Step 4: Simplify right side
    436,253.82x = 89,473,133,349.12
  5. Step 5: Solve for x
    x = 89,473,133,349.12/436,253.82
  6. Step 6: Final answer
    x = 205,094.21

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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.