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Finding the Fourth Proportional to 267,076, 400,038.06 and 251,373.34

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Solution

The fourth proportional to 267,076, 400,038.06 and 251,373.34 is: 376,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,076 : 400,038.06 = 251,373.34 : x
  2. Step 2: Convert to fraction form
    267,076/400,038.06 = 251,373.34/x
  3. Step 3: Cross multiply
    267,076x = 400,038.06 × 251,373.34
  4. Step 4: Simplify right side
    267,076x = 100,558,903,269.32
  5. Step 5: Solve for x
    x = 100,558,903,269.32/267,076
  6. Step 6: Final answer
    x = 376,517.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.