Home / 353,262.72-487,170.56-272,561.92

Finding the Fourth Proportional to 353,262.72, 487,170.56 and 272,561.92

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Solution

The fourth proportional to 353,262.72, 487,170.56 and 272,561.92 is: 375,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,262.72 : 487,170.56 = 272,561.92 : x
  2. Step 2: Convert to fraction form
    353,262.72/487,170.56 = 272,561.92/x
  3. Step 3: Cross multiply
    353,262.72x = 487,170.56 × 272,561.92
  4. Step 4: Simplify right side
    353,262.72x = 132,784,143,201.08
  5. Step 5: Solve for x
    x = 132,784,143,201.08/353,262.72
  6. Step 6: Final answer
    x = 375,879.30

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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.