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Finding the Fourth Proportional to 471,853.79, 651,187.86 and 267,827.04

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Solution

The fourth proportional to 471,853.79, 651,187.86 and 267,827.04 is: 369,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,853.79 : 651,187.86 = 267,827.04 : x
  2. Step 2: Convert to fraction form
    471,853.79/651,187.86 = 267,827.04/x
  3. Step 3: Cross multiply
    471,853.79x = 651,187.86 × 267,827.04
  4. Step 4: Simplify right side
    471,853.79x = 174,405,716,023.38
  5. Step 5: Solve for x
    x = 174,405,716,023.38/471,853.79
  6. Step 6: Final answer
    x = 369,618.13

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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.