Home / 215,266.20-322,899.30-165,442.20

Finding the Fourth Proportional to 215,266.20, 322,899.30 and 165,442.20

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Solution

The fourth proportional to 215,266.20, 322,899.30 and 165,442.20 is: 248,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,266.20 : 322,899.30 = 165,442.20 : x
  2. Step 2: Convert to fraction form
    215,266.20/322,899.30 = 165,442.20/x
  3. Step 3: Cross multiply
    215,266.20x = 322,899.30 × 165,442.20
  4. Step 4: Simplify right side
    215,266.20x = 53,421,170,570.46
  5. Step 5: Solve for x
    x = 53,421,170,570.46/215,266.20
  6. Step 6: Final answer
    x = 248,163.30

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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.