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Finding the Fourth Proportional to 369,294.60, 508,930.58 and 267,146.58

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Solution

The fourth proportional to 369,294.60, 508,930.58 and 267,146.58 is: 368,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,294.60 : 508,930.58 = 267,146.58 : x
  2. Step 2: Convert to fraction form
    369,294.60/508,930.58 = 267,146.58/x
  3. Step 3: Cross multiply
    369,294.60x = 508,930.58 × 267,146.58
  4. Step 4: Simplify right side
    369,294.60x = 135,959,063,904.42
  5. Step 5: Solve for x
    x = 135,959,063,904.42/369,294.60
  6. Step 6: Final answer
    x = 368,158.82

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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.