Home / 494,769.60-742,057.20-162,345.60

Finding the Fourth Proportional to 494,769.60, 742,057.20 and 162,345.60

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Solution

The fourth proportional to 494,769.60, 742,057.20 and 162,345.60 is: 243,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,769.60 : 742,057.20 = 162,345.60 : x
  2. Step 2: Convert to fraction form
    494,769.60/742,057.20 = 162,345.60/x
  3. Step 3: Cross multiply
    494,769.60x = 742,057.20 × 162,345.60
  4. Step 4: Simplify right side
    494,769.60x = 120,469,721,368.32
  5. Step 5: Solve for x
    x = 120,469,721,368.32/494,769.60
  6. Step 6: Final answer
    x = 243,486.51

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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.