Home / 632,147.28-948,115.08-211,421.76

Finding the Fourth Proportional to 632,147.28, 948,115.08 and 211,421.76

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Solution

The fourth proportional to 632,147.28, 948,115.08 and 211,421.76 is: 317,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,147.28 : 948,115.08 = 211,421.76 : x
  2. Step 2: Convert to fraction form
    632,147.28/948,115.08 = 211,421.76/x
  3. Step 3: Cross multiply
    632,147.28x = 948,115.08 × 211,421.76
  4. Step 4: Simplify right side
    632,147.28x = 200,452,158,896.14
  5. Step 5: Solve for x
    x = 200,452,158,896.14/632,147.28
  6. Step 6: Final answer
    x = 317,097.24

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Double scale
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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.