Home / 217,080.10-325,620.15-146,221.30

Finding the Fourth Proportional to 217,080.10, 325,620.15 and 146,221.30

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Solution

The fourth proportional to 217,080.10, 325,620.15 and 146,221.30 is: 219,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,080.10 : 325,620.15 = 146,221.30 : x
  2. Step 2: Convert to fraction form
    217,080.10/325,620.15 = 146,221.30/x
  3. Step 3: Cross multiply
    217,080.10x = 325,620.15 × 146,221.30
  4. Step 4: Simplify right side
    217,080.10x = 47,612,601,639.20
  5. Step 5: Solve for x
    x = 47,612,601,639.20/217,080.10
  6. Step 6: Final answer
    x = 219,331.95

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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.