Home / 285,683.28-428,454.08-117,251.36

Finding the Fourth Proportional to 285,683.28, 428,454.08 and 117,251.36

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Solution

The fourth proportional to 285,683.28, 428,454.08 and 117,251.36 is: 175,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,683.28 : 428,454.08 = 117,251.36 : x
  2. Step 2: Convert to fraction form
    285,683.28/428,454.08 = 117,251.36/x
  3. Step 3: Cross multiply
    285,683.28x = 428,454.08 × 117,251.36
  4. Step 4: Simplify right side
    285,683.28x = 50,236,823,577.55
  5. Step 5: Solve for x
    x = 50,236,823,577.55/285,683.28
  6. Step 6: Final answer
    x = 175,847.97

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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.