Home / 345,961.74-518,964.51-146,244.90

Finding the Fourth Proportional to 345,961.74, 518,964.51 and 146,244.90

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Solution

The fourth proportional to 345,961.74, 518,964.51 and 146,244.90 is: 219,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,961.74 : 518,964.51 = 146,244.90 : x
  2. Step 2: Convert to fraction form
    345,961.74/518,964.51 = 146,244.90/x
  3. Step 3: Cross multiply
    345,961.74x = 518,964.51 × 146,244.90
  4. Step 4: Simplify right side
    345,961.74x = 75,895,912,868.50
  5. Step 5: Solve for x
    x = 75,895,912,868.50/345,961.74
  6. Step 6: Final answer
    x = 219,376.61

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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.