Home / 276,839.10-414,999.45-216,834.30

Finding the Fourth Proportional to 276,839.10, 414,999.45 and 216,834.30

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Solution

The fourth proportional to 276,839.10, 414,999.45 and 216,834.30 is: 325,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,839.10 : 414,999.45 = 216,834.30 : x
  2. Step 2: Convert to fraction form
    276,839.10/414,999.45 = 216,834.30/x
  3. Step 3: Cross multiply
    276,839.10x = 414,999.45 × 216,834.30
  4. Step 4: Simplify right side
    276,839.10x = 89,986,115,241.14
  5. Step 5: Solve for x
    x = 89,986,115,241.14/276,839.10
  6. Step 6: Final answer
    x = 325,048.43

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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.