Home / 215,261.40-322,853.70-136,234.20

Finding the Fourth Proportional to 215,261.40, 322,853.70 and 136,234.20

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Solution

The fourth proportional to 215,261.40, 322,853.70 and 136,234.20 is: 204,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,261.40 : 322,853.70 = 136,234.20 : x
  2. Step 2: Convert to fraction form
    215,261.40/322,853.70 = 136,234.20/x
  3. Step 3: Cross multiply
    215,261.40x = 322,853.70 × 136,234.20
  4. Step 4: Simplify right side
    215,261.40x = 43,983,715,536.54
  5. Step 5: Solve for x
    x = 43,983,715,536.54/215,261.40
  6. Step 6: Final answer
    x = 204,327.00

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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.