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Finding the Fourth Proportional to 539,639.58, 809,318.42 and 160,458.22

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Solution

The fourth proportional to 539,639.58, 809,318.42 and 160,458.22 is: 240,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,639.58 : 809,318.42 = 160,458.22 : x
  2. Step 2: Convert to fraction form
    539,639.58/809,318.42 = 160,458.22/x
  3. Step 3: Cross multiply
    539,639.58x = 809,318.42 × 160,458.22
  4. Step 4: Simplify right side
    539,639.58x = 129,861,793,086.41
  5. Step 5: Solve for x
    x = 129,861,793,086.41/539,639.58
  6. Step 6: Final answer
    x = 240,645.42

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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.