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Finding the Fourth Proportional to 536,864.68, 804,706.48 and 221,149.36

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Solution

The fourth proportional to 536,864.68, 804,706.48 and 221,149.36 is: 331,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,864.68 : 804,706.48 = 221,149.36 : x
  2. Step 2: Convert to fraction form
    536,864.68/804,706.48 = 221,149.36/x
  3. Step 3: Cross multiply
    536,864.68x = 804,706.48 × 221,149.36
  4. Step 4: Simplify right side
    536,864.68x = 177,960,323,039.85
  5. Step 5: Solve for x
    x = 177,960,323,039.85/536,864.68
  6. Step 6: Final answer
    x = 331,480.78

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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.