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Finding the Fourth Proportional to 267,272.94, 368,733.92 and 152,557.97

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Solution

The fourth proportional to 267,272.94, 368,733.92 and 152,557.97 is: 210,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,272.94 : 368,733.92 = 152,557.97 : x
  2. Step 2: Convert to fraction form
    267,272.94/368,733.92 = 152,557.97/x
  3. Step 3: Cross multiply
    267,272.94x = 368,733.92 × 152,557.97
  4. Step 4: Simplify right side
    267,272.94x = 56,253,298,655.08
  5. Step 5: Solve for x
    x = 56,253,298,655.08/267,272.94
  6. Step 6: Final answer
    x = 210,471.36

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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.