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Finding the Fourth Proportional to 375,104.68, 517,644.66 and 205,338.76

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Solution

The fourth proportional to 375,104.68, 517,644.66 and 205,338.76 is: 283,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,104.68 : 517,644.66 = 205,338.76 : x
  2. Step 2: Convert to fraction form
    375,104.68/517,644.66 = 205,338.76/x
  3. Step 3: Cross multiply
    375,104.68x = 517,644.66 × 205,338.76
  4. Step 4: Simplify right side
    375,104.68x = 106,292,512,605.02
  5. Step 5: Solve for x
    x = 106,292,512,605.02/375,104.68
  6. Step 6: Final answer
    x = 283,367.60

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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.