Home / 345,961.20-518,532.20-146,281.20

Finding the Fourth Proportional to 345,961.20, 518,532.20 and 146,281.20

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Solution

The fourth proportional to 345,961.20, 518,532.20 and 146,281.20 is: 219,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,961.20 : 518,532.20 = 146,281.20 : x
  2. Step 2: Convert to fraction form
    345,961.20/518,532.20 = 146,281.20/x
  3. Step 3: Cross multiply
    345,961.20x = 518,532.20 × 146,281.20
  4. Step 4: Simplify right side
    345,961.20x = 75,851,512,454.64
  5. Step 5: Solve for x
    x = 75,851,512,454.64/345,961.20
  6. Step 6: Final answer
    x = 219,248.61

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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.