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Finding the Fourth Proportional to 267,534.66, 401,297.36 and 90,041.68

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Solution

The fourth proportional to 267,534.66, 401,297.36 and 90,041.68 is: 135,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,534.66 : 401,297.36 = 90,041.68 : x
  2. Step 2: Convert to fraction form
    267,534.66/401,297.36 = 90,041.68/x
  3. Step 3: Cross multiply
    267,534.66x = 401,297.36 × 90,041.68
  4. Step 4: Simplify right side
    267,534.66x = 36,133,488,525.38
  5. Step 5: Solve for x
    x = 36,133,488,525.38/267,534.66
  6. Step 6: Final answer
    x = 135,060.96

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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.