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Finding the Fourth Proportional to 375,220.71, 517,799.43 and 205,454.82

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Solution

The fourth proportional to 375,220.71, 517,799.43 and 205,454.82 is: 283,524.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,220.71 : 517,799.43 = 205,454.82 : x
  2. Step 2: Convert to fraction form
    375,220.71/517,799.43 = 205,454.82/x
  3. Step 3: Cross multiply
    375,220.71x = 517,799.43 × 205,454.82
  4. Step 4: Simplify right side
    375,220.71x = 106,384,388,686.75
  5. Step 5: Solve for x
    x = 106,384,388,686.75/375,220.71
  6. Step 6: Final answer
    x = 283,524.83

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1.5x scale

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.