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Finding the Fourth Proportional to 267,586.32, 369,280.80 and 160,135.92

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Solution

The fourth proportional to 267,586.32, 369,280.80 and 160,135.92 is: 220,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,586.32 : 369,280.80 = 160,135.92 : x
  2. Step 2: Convert to fraction form
    267,586.32/369,280.80 = 160,135.92/x
  3. Step 3: Cross multiply
    267,586.32x = 369,280.80 × 160,135.92
  4. Step 4: Simplify right side
    267,586.32x = 59,135,120,646.34
  5. Step 5: Solve for x
    x = 59,135,120,646.34/267,586.32
  6. Step 6: Final answer
    x = 220,994.56

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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.