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Finding the Fourth Proportional to 267,154.69, 368,672.89 and 144,646.46

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Solution

The fourth proportional to 267,154.69, 368,672.89 and 144,646.46 is: 199,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,154.69 : 368,672.89 = 144,646.46 : x
  2. Step 2: Convert to fraction form
    267,154.69/368,672.89 = 144,646.46/x
  3. Step 3: Cross multiply
    267,154.69x = 368,672.89 × 144,646.46
  4. Step 4: Simplify right side
    267,154.69x = 53,327,228,436.47
  5. Step 5: Solve for x
    x = 53,327,228,436.47/267,154.69
  6. Step 6: Final answer
    x = 199,611.80

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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.