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Finding the Fourth Proportional to 267,510.34, 401,148.86 and 101,181.70

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Solution

The fourth proportional to 267,510.34, 401,148.86 and 101,181.70 is: 151,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,510.34 : 401,148.86 = 101,181.70 : x
  2. Step 2: Convert to fraction form
    267,510.34/401,148.86 = 101,181.70/x
  3. Step 3: Cross multiply
    267,510.34x = 401,148.86 × 101,181.70
  4. Step 4: Simplify right side
    267,510.34x = 40,588,923,607.86
  5. Step 5: Solve for x
    x = 40,588,923,607.86/267,510.34
  6. Step 6: Final answer
    x = 151,728.43

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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.