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Finding the Fourth Proportional to 539,637.48, 809,315.15 and 160,456.09

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Solution

The fourth proportional to 539,637.48, 809,315.15 and 160,456.09 is: 240,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,637.48 : 809,315.15 = 160,456.09 : x
  2. Step 2: Convert to fraction form
    539,637.48/809,315.15 = 160,456.09/x
  3. Step 3: Cross multiply
    539,637.48x = 809,315.15 × 160,456.09
  4. Step 4: Simplify right side
    539,637.48x = 129,859,544,546.76
  5. Step 5: Solve for x
    x = 129,859,544,546.76/539,637.48
  6. Step 6: Final answer
    x = 240,642.19

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Similar ratio
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1.5x scale

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.