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Finding the Fourth Proportional to 471,358.36, 650,489.18 and 267,417.87

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Solution

The fourth proportional to 471,358.36, 650,489.18 and 267,417.87 is: 369,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,358.36 : 650,489.18 = 267,417.87 : x
  2. Step 2: Convert to fraction form
    471,358.36/650,489.18 = 267,417.87/x
  3. Step 3: Cross multiply
    471,358.36x = 650,489.18 × 267,417.87
  4. Step 4: Simplify right side
    471,358.36x = 173,952,429,636.56
  5. Step 5: Solve for x
    x = 173,952,429,636.56/471,358.36
  6. Step 6: Final answer
    x = 369,044.97

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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.