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Finding the Fourth Proportional to 539,648.92, 809,399.60 and 160,628.15

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Solution

The fourth proportional to 539,648.92, 809,399.60 and 160,628.15 is: 240,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,648.92 : 809,399.60 = 160,628.15 : x
  2. Step 2: Convert to fraction form
    539,648.92/809,399.60 = 160,628.15/x
  3. Step 3: Cross multiply
    539,648.92x = 809,399.60 × 160,628.15
  4. Step 4: Simplify right side
    539,648.92x = 130,012,360,358.74
  5. Step 5: Solve for x
    x = 130,012,360,358.74/539,648.92
  6. Step 6: Final answer
    x = 240,920.26

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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.