Home / 460,456.85-690,651.54-145,003.97

Finding the Fourth Proportional to 460,456.85, 690,651.54 and 145,003.97

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Solution

The fourth proportional to 460,456.85, 690,651.54 and 145,003.97 is: 217,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,456.85 : 690,651.54 = 145,003.97 : x
  2. Step 2: Convert to fraction form
    460,456.85/690,651.54 = 145,003.97/x
  3. Step 3: Cross multiply
    460,456.85x = 690,651.54 × 145,003.97
  4. Step 4: Simplify right side
    460,456.85x = 100,147,216,913.24
  5. Step 5: Solve for x
    x = 100,147,216,913.24/460,456.85
  6. Step 6: Final answer
    x = 217,495.33

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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.