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Finding the Fourth Proportional to 468,264.97, 646,207.29 and 253,404.98

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Solution

The fourth proportional to 468,264.97, 646,207.29 and 253,404.98 is: 349,699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,264.97 : 646,207.29 = 253,404.98 : x
  2. Step 2: Convert to fraction form
    468,264.97/646,207.29 = 253,404.98/x
  3. Step 3: Cross multiply
    468,264.97x = 646,207.29 × 253,404.98
  4. Step 4: Simplify right side
    468,264.97x = 163,752,145,398.30
  5. Step 5: Solve for x
    x = 163,752,145,398.30/468,264.97
  6. Step 6: Final answer
    x = 349,699.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.