Home / 668,499.76-1,002,642.18-195,074.20

Finding the Fourth Proportional to 668,499.76, 1,002,642.18 and 195,074.20

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Solution

The fourth proportional to 668,499.76, 1,002,642.18 and 195,074.20 is: 292,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,499.76 : 1,002,642.18 = 195,074.20 : x
  2. Step 2: Convert to fraction form
    668,499.76/1,002,642.18 = 195,074.20/x
  3. Step 3: Cross multiply
    668,499.76x = 1,002,642.18 × 195,074.20
  4. Step 4: Simplify right side
    668,499.76x = 195,589,621,149.76
  5. Step 5: Solve for x
    x = 195,589,621,149.76/668,499.76
  6. Step 6: Final answer
    x = 292,579.94

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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.