Home / 300,966.60-451,385.10-132,486.60

Finding the Fourth Proportional to 300,966.60, 451,385.10 and 132,486.60

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Solution

The fourth proportional to 300,966.60, 451,385.10 and 132,486.60 is: 198,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,966.60 : 451,385.10 = 132,486.60 : x
  2. Step 2: Convert to fraction form
    300,966.60/451,385.10 = 132,486.60/x
  3. Step 3: Cross multiply
    300,966.60x = 451,385.10 × 132,486.60
  4. Step 4: Simplify right side
    300,966.60x = 59,802,477,189.66
  5. Step 5: Solve for x
    x = 59,802,477,189.66/300,966.60
  6. Step 6: Final answer
    x = 198,701.37

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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.