Home / 460,164.20-690,246.30-144,620.60

Finding the Fourth Proportional to 460,164.20, 690,246.30 and 144,620.60

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Solution

The fourth proportional to 460,164.20, 690,246.30 and 144,620.60 is: 216,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,164.20 : 690,246.30 = 144,620.60 : x
  2. Step 2: Convert to fraction form
    460,164.20/690,246.30 = 144,620.60/x
  3. Step 3: Cross multiply
    460,164.20x = 690,246.30 × 144,620.60
  4. Step 4: Simplify right side
    460,164.20x = 99,823,834,053.78
  5. Step 5: Solve for x
    x = 99,823,834,053.78/460,164.20
  6. Step 6: Final answer
    x = 216,930.90

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Similar ratio
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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.