Home / 445,974.60-669,042.90-146,371.80

Finding the Fourth Proportional to 445,974.60, 669,042.90 and 146,371.80

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Solution

The fourth proportional to 445,974.60, 669,042.90 and 146,371.80 is: 219,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,974.60 : 669,042.90 = 146,371.80 : x
  2. Step 2: Convert to fraction form
    445,974.60/669,042.90 = 146,371.80/x
  3. Step 3: Cross multiply
    445,974.60x = 669,042.90 × 146,371.80
  4. Step 4: Simplify right side
    445,974.60x = 97,929,013,550.22
  5. Step 5: Solve for x
    x = 97,929,013,550.22/445,974.60
  6. Step 6: Final answer
    x = 219,584.28

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1.5x scale

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.