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Finding the Fourth Proportional to 310,301.54, 465,452.34 and 99,939.48

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Solution

The fourth proportional to 310,301.54, 465,452.34 and 99,939.48 is: 149,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,301.54 : 465,452.34 = 99,939.48 : x
  2. Step 2: Convert to fraction form
    310,301.54/465,452.34 = 99,939.48/x
  3. Step 3: Cross multiply
    310,301.54x = 465,452.34 × 99,939.48
  4. Step 4: Simplify right side
    310,301.54x = 46,517,063,285.98
  5. Step 5: Solve for x
    x = 46,517,063,285.98/310,301.54
  6. Step 6: Final answer
    x = 149,909.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.