Home / 215,416.33-322,643.34-156,115.82

Finding the Fourth Proportional to 215,416.33, 322,643.34 and 156,115.82

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Solution

The fourth proportional to 215,416.33, 322,643.34 and 156,115.82 is: 233,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,416.33 : 322,643.34 = 156,115.82 : x
  2. Step 2: Convert to fraction form
    215,416.33/322,643.34 = 156,115.82/x
  3. Step 3: Cross multiply
    215,416.33x = 322,643.34 × 156,115.82
  4. Step 4: Simplify right side
    215,416.33x = 50,369,729,591.64
  5. Step 5: Solve for x
    x = 50,369,729,591.64/215,416.33
  6. Step 6: Final answer
    x = 233,825.03

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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.