Home / 215,346.02-322,950.11-71,225.06

Finding the Fourth Proportional to 215,346.02, 322,950.11 and 71,225.06

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Solution

The fourth proportional to 215,346.02, 322,950.11 and 71,225.06 is: 106,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,346.02 : 322,950.11 = 71,225.06 : x
  2. Step 2: Convert to fraction form
    215,346.02/322,950.11 = 71,225.06/x
  3. Step 3: Cross multiply
    215,346.02x = 322,950.11 × 71,225.06
  4. Step 4: Simplify right side
    215,346.02x = 23,002,138,990.88
  5. Step 5: Solve for x
    x = 23,002,138,990.88/215,346.02
  6. Step 6: Final answer
    x = 106,814.79

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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.