Home / 215,247.40-322,832.70-136,220.20

Finding the Fourth Proportional to 215,247.40, 322,832.70 and 136,220.20

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Solution

The fourth proportional to 215,247.40, 322,832.70 and 136,220.20 is: 204,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,247.40 : 322,832.70 = 136,220.20 : x
  2. Step 2: Convert to fraction form
    215,247.40/322,832.70 = 136,220.20/x
  3. Step 3: Cross multiply
    215,247.40x = 322,832.70 × 136,220.20
  4. Step 4: Simplify right side
    215,247.40x = 43,976,334,960.54
  5. Step 5: Solve for x
    x = 43,976,334,960.54/215,247.40
  6. Step 6: Final answer
    x = 204,306.00

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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.