Home / 443,829.60-665,744.40-177,631.20

Finding the Fourth Proportional to 443,829.60, 665,744.40 and 177,631.20

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Solution

The fourth proportional to 443,829.60, 665,744.40 and 177,631.20 is: 266,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,829.60 : 665,744.40 = 177,631.20 : x
  2. Step 2: Convert to fraction form
    443,829.60/665,744.40 = 177,631.20/x
  3. Step 3: Cross multiply
    443,829.60x = 665,744.40 × 177,631.20
  4. Step 4: Simplify right side
    443,829.60x = 118,256,976,665.28
  5. Step 5: Solve for x
    x = 118,256,976,665.28/443,829.60
  6. Step 6: Final answer
    x = 266,446.80

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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.