Home / 399,558.20-551,407.04-229,792.44

Finding the Fourth Proportional to 399,558.20, 551,407.04 and 229,792.44

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Solution

The fourth proportional to 399,558.20, 551,407.04 and 229,792.44 is: 317,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,558.20 : 551,407.04 = 229,792.44 : x
  2. Step 2: Convert to fraction form
    399,558.20/551,407.04 = 229,792.44/x
  3. Step 3: Cross multiply
    399,558.20x = 551,407.04 × 229,792.44
  4. Step 4: Simplify right side
    399,558.20x = 126,709,169,154.78
  5. Step 5: Solve for x
    x = 126,709,169,154.78/399,558.20
  6. Step 6: Final answer
    x = 317,123.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.