Home / 494,999.20-742,498.80-162,575.20

Finding the Fourth Proportional to 494,999.20, 742,498.80 and 162,575.20

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Solution

The fourth proportional to 494,999.20, 742,498.80 and 162,575.20 is: 243,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,999.20 : 742,498.80 = 162,575.20 : x
  2. Step 2: Convert to fraction form
    494,999.20/742,498.80 = 162,575.20/x
  3. Step 3: Cross multiply
    494,999.20x = 742,498.80 × 162,575.20
  4. Step 4: Simplify right side
    494,999.20x = 120,711,890,909.76
  5. Step 5: Solve for x
    x = 120,711,890,909.76/494,999.20
  6. Step 6: Final answer
    x = 243,862.80

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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.