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Finding the Fourth Proportional to 375,055.28, 517,572.07 and 205,287.38

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Solution

The fourth proportional to 375,055.28, 517,572.07 and 205,287.38 is: 283,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,055.28 : 517,572.07 = 205,287.38 : x
  2. Step 2: Convert to fraction form
    375,055.28/517,572.07 = 205,287.38/x
  3. Step 3: Cross multiply
    375,055.28x = 517,572.07 × 205,287.38
  4. Step 4: Simplify right side
    375,055.28x = 106,251,011,110.40
  5. Step 5: Solve for x
    x = 106,251,011,110.40/375,055.28
  6. Step 6: Final answer
    x = 283,294.27

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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.