Home / 220,515.68-304,404.78-148,992.60

Finding the Fourth Proportional to 220,515.68, 304,404.78 and 148,992.60

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Solution

The fourth proportional to 220,515.68, 304,404.78 and 148,992.60 is: 205,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,515.68 : 304,404.78 = 148,992.60 : x
  2. Step 2: Convert to fraction form
    220,515.68/304,404.78 = 148,992.60/x
  3. Step 3: Cross multiply
    220,515.68x = 304,404.78 × 148,992.60
  4. Step 4: Simplify right side
    220,515.68x = 45,354,059,624.63
  5. Step 5: Solve for x
    x = 45,354,059,624.63/220,515.68
  6. Step 6: Final answer
    x = 205,672.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.