Home / 285,947.04-428,922.18-75,582.75

Finding the Fourth Proportional to 285,947.04, 428,922.18 and 75,582.75

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Solution

The fourth proportional to 285,947.04, 428,922.18 and 75,582.75 is: 113,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,947.04 : 428,922.18 = 75,582.75 : x
  2. Step 2: Convert to fraction form
    285,947.04/428,922.18 = 75,582.75/x
  3. Step 3: Cross multiply
    285,947.04x = 428,922.18 × 75,582.75
  4. Step 4: Simplify right side
    285,947.04x = 32,419,117,900.40
  5. Step 5: Solve for x
    x = 32,419,117,900.40/285,947.04
  6. Step 6: Final answer
    x = 113,374.55

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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.