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Finding the Fourth Proportional to 267,213.19, 368,760.17 and 152,489.55

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Solution

The fourth proportional to 267,213.19, 368,760.17 and 152,489.55 is: 210,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,213.19 : 368,760.17 = 152,489.55 : x
  2. Step 2: Convert to fraction form
    267,213.19/368,760.17 = 152,489.55/x
  3. Step 3: Cross multiply
    267,213.19x = 368,760.17 × 152,489.55
  4. Step 4: Simplify right side
    267,213.19x = 56,232,072,381.22
  5. Step 5: Solve for x
    x = 56,232,072,381.22/267,213.19
  6. Step 6: Final answer
    x = 210,438.98

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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.