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Finding the Fourth Proportional to 469,061.13, 647,304.92 and 254,201.19

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Solution

The fourth proportional to 469,061.13, 647,304.92 and 254,201.19 is: 350,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,061.13 : 647,304.92 = 254,201.19 : x
  2. Step 2: Convert to fraction form
    469,061.13/647,304.92 = 254,201.19/x
  3. Step 3: Cross multiply
    469,061.13x = 647,304.92 × 254,201.19
  4. Step 4: Simplify right side
    469,061.13x = 164,545,679,685.85
  5. Step 5: Solve for x
    x = 164,545,679,685.85/469,061.13
  6. Step 6: Final answer
    x = 350,797.94

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1.5x scale

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.