Home / 319,937.12-441,474-203,610.48

Finding the Fourth Proportional to 319,937.12, 441,474 and 203,610.48

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Solution

The fourth proportional to 319,937.12, 441,474 and 203,610.48 is: 280,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,937.12 : 441,474 = 203,610.48 : x
  2. Step 2: Convert to fraction form
    319,937.12/441,474 = 203,610.48/x
  3. Step 3: Cross multiply
    319,937.12x = 441,474 × 203,610.48
  4. Step 4: Simplify right side
    319,937.12x = 89,888,733,047.52
  5. Step 5: Solve for x
    x = 89,888,733,047.52/319,937.12
  6. Step 6: Final answer
    x = 280,957.50

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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.