Home / 215,546.24-297,590-158,858.88

Finding the Fourth Proportional to 215,546.24, 297,590 and 158,858.88

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Solution

The fourth proportional to 215,546.24, 297,590 and 158,858.88 is: 219,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,546.24 : 297,590 = 158,858.88 : x
  2. Step 2: Convert to fraction form
    215,546.24/297,590 = 158,858.88/x
  3. Step 3: Cross multiply
    215,546.24x = 297,590 × 158,858.88
  4. Step 4: Simplify right side
    215,546.24x = 47,274,814,099.20
  5. Step 5: Solve for x
    x = 47,274,814,099.20/215,546.24
  6. Step 6: Final answer
    x = 219,325.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.