Home / 300,534.18-450,680.19-108,353.92

Finding the Fourth Proportional to 300,534.18, 450,680.19 and 108,353.92

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Solution

The fourth proportional to 300,534.18, 450,680.19 and 108,353.92 is: 162,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,534.18 : 450,680.19 = 108,353.92 : x
  2. Step 2: Convert to fraction form
    300,534.18/450,680.19 = 108,353.92/x
  3. Step 3: Cross multiply
    300,534.18x = 450,680.19 × 108,353.92
  4. Step 4: Simplify right side
    300,534.18x = 48,832,964,564.84
  5. Step 5: Solve for x
    x = 48,832,964,564.84/300,534.18
  6. Step 6: Final answer
    x = 162,487.22

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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.