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Finding the Fourth Proportional to 502,666.26, 754,054.35 and 218,161.26

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Solution

The fourth proportional to 502,666.26, 754,054.35 and 218,161.26 is: 327,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,666.26 : 754,054.35 = 218,161.26 : x
  2. Step 2: Convert to fraction form
    502,666.26/754,054.35 = 218,161.26/x
  3. Step 3: Cross multiply
    502,666.26x = 754,054.35 × 218,161.26
  4. Step 4: Simplify right side
    502,666.26x = 164,505,447,104.48
  5. Step 5: Solve for x
    x = 164,505,447,104.48/502,666.26
  6. Step 6: Final answer
    x = 327,265.74

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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.