Home / 345,960.09-519,010.17-146,280.15

Finding the Fourth Proportional to 345,960.09, 519,010.17 and 146,280.15

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Solution

The fourth proportional to 345,960.09, 519,010.17 and 146,280.15 is: 219,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,960.09 : 519,010.17 = 146,280.15 : x
  2. Step 2: Convert to fraction form
    345,960.09/519,010.17 = 146,280.15/x
  3. Step 3: Cross multiply
    345,960.09x = 519,010.17 × 146,280.15
  4. Step 4: Simplify right side
    345,960.09x = 75,920,885,519.13
  5. Step 5: Solve for x
    x = 75,920,885,519.13/345,960.09
  6. Step 6: Final answer
    x = 219,449.84

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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.