Home / 407,819.57-611,966.30-167,957.60

Finding the Fourth Proportional to 407,819.57, 611,966.30 and 167,957.60

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Solution

The fourth proportional to 407,819.57, 611,966.30 and 167,957.60 is: 252,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,819.57 : 611,966.30 = 167,957.60 : x
  2. Step 2: Convert to fraction form
    407,819.57/611,966.30 = 167,957.60/x
  3. Step 3: Cross multiply
    407,819.57x = 611,966.30 × 167,957.60
  4. Step 4: Simplify right side
    407,819.57x = 102,784,387,129.26
  5. Step 5: Solve for x
    x = 102,784,387,129.26/407,819.57
  6. Step 6: Final answer
    x = 252,033.98

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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.