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Finding the Fourth Proportional to 337,479.64, 465,729.28 and 201,488.24

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Solution

The fourth proportional to 337,479.64, 465,729.28 and 201,488.24 is: 278,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,479.64 : 465,729.28 = 201,488.24 : x
  2. Step 2: Convert to fraction form
    337,479.64/465,729.28 = 201,488.24/x
  3. Step 3: Cross multiply
    337,479.64x = 465,729.28 × 201,488.24
  4. Step 4: Simplify right side
    337,479.64x = 93,838,972,943.67
  5. Step 5: Solve for x
    x = 93,838,972,943.67/337,479.64
  6. Step 6: Final answer
    x = 278,058.18

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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.