Home / 539,635.20-809,311.74-160,453.81

Finding the Fourth Proportional to 539,635.20, 809,311.74 and 160,453.81

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Solution

The fourth proportional to 539,635.20, 809,311.74 and 160,453.81 is: 240,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,635.20 : 809,311.74 = 160,453.81 : x
  2. Step 2: Convert to fraction form
    539,635.20/809,311.74 = 160,453.81/x
  3. Step 3: Cross multiply
    539,635.20x = 809,311.74 × 160,453.81
  4. Step 4: Simplify right side
    539,635.20x = 129,857,152,570.67
  5. Step 5: Solve for x
    x = 129,857,152,570.67/539,635.20
  6. Step 6: Final answer
    x = 240,638.77

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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.