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Finding the Fourth Proportional to 458,891.33, 633,199.68 and 254,939.00

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Solution

The fourth proportional to 458,891.33, 633,199.68 and 254,939.00 is: 351,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,891.33 : 633,199.68 = 254,939.00 : x
  2. Step 2: Convert to fraction form
    458,891.33/633,199.68 = 254,939.00/x
  3. Step 3: Cross multiply
    458,891.33x = 633,199.68 × 254,939.00
  4. Step 4: Simplify right side
    458,891.33x = 161,427,290,053.52
  5. Step 5: Solve for x
    x = 161,427,290,053.52/458,891.33
  6. Step 6: Final answer
    x = 351,776.73

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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.