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Finding the Fourth Proportional to 460,642.92, 635,661 and 253,870.28

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Solution

The fourth proportional to 460,642.92, 635,661 and 253,870.28 is: 350,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,642.92 : 635,661 = 253,870.28 : x
  2. Step 2: Convert to fraction form
    460,642.92/635,661 = 253,870.28/x
  3. Step 3: Cross multiply
    460,642.92x = 635,661 × 253,870.28
  4. Step 4: Simplify right side
    460,642.92x = 161,375,436,055.08
  5. Step 5: Solve for x
    x = 161,375,436,055.08/460,642.92
  6. Step 6: Final answer
    x = 350,326.53

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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.