Home / 442,171.20-663,256.80-146,683.20

Finding the Fourth Proportional to 442,171.20, 663,256.80 and 146,683.20

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Solution

The fourth proportional to 442,171.20, 663,256.80 and 146,683.20 is: 220,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,171.20 : 663,256.80 = 146,683.20 : x
  2. Step 2: Convert to fraction form
    442,171.20/663,256.80 = 146,683.20/x
  3. Step 3: Cross multiply
    442,171.20x = 663,256.80 × 146,683.20
  4. Step 4: Simplify right side
    442,171.20x = 97,288,629,845.76
  5. Step 5: Solve for x
    x = 97,288,629,845.76/442,171.20
  6. Step 6: Final answer
    x = 220,024.80

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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.