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Finding the Fourth Proportional to 338,760.89, 466,316.42 and 292,799.47

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Solution

The fourth proportional to 338,760.89, 466,316.42 and 292,799.47 is: 403,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,760.89 : 466,316.42 = 292,799.47 : x
  2. Step 2: Convert to fraction form
    338,760.89/466,316.42 = 292,799.47/x
  3. Step 3: Cross multiply
    338,760.89x = 466,316.42 × 292,799.47
  4. Step 4: Simplify right side
    338,760.89x = 136,537,198,296.72
  5. Step 5: Solve for x
    x = 136,537,198,296.72/338,760.89
  6. Step 6: Final answer
    x = 403,048.88

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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.