Home / 221,532.40-332,298.60-115,244.20

Finding the Fourth Proportional to 221,532.40, 332,298.60 and 115,244.20

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Solution

The fourth proportional to 221,532.40, 332,298.60 and 115,244.20 is: 172,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,532.40 : 332,298.60 = 115,244.20 : x
  2. Step 2: Convert to fraction form
    221,532.40/332,298.60 = 115,244.20/x
  3. Step 3: Cross multiply
    221,532.40x = 332,298.60 × 115,244.20
  4. Step 4: Simplify right side
    221,532.40x = 38,295,486,318.12
  5. Step 5: Solve for x
    x = 38,295,486,318.12/221,532.40
  6. Step 6: Final answer
    x = 172,866.30

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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.