Home / 285,948.04-428,923.68-75,583.75

Finding the Fourth Proportional to 285,948.04, 428,923.68 and 75,583.75

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Solution

The fourth proportional to 285,948.04, 428,923.68 and 75,583.75 is: 113,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,948.04 : 428,923.68 = 75,583.75 : x
  2. Step 2: Convert to fraction form
    285,948.04/428,923.68 = 75,583.75/x
  3. Step 3: Cross multiply
    285,948.04x = 428,923.68 × 75,583.75
  4. Step 4: Simplify right side
    285,948.04x = 32,419,660,198.20
  5. Step 5: Solve for x
    x = 32,419,660,198.20/285,948.04
  6. Step 6: Final answer
    x = 113,376.05

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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.