Home / 605,111.76-908,151.48-272,713.68

Finding the Fourth Proportional to 605,111.76, 908,151.48 and 272,713.68

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Solution

The fourth proportional to 605,111.76, 908,151.48 and 272,713.68 is: 409,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,111.76 : 908,151.48 = 272,713.68 : x
  2. Step 2: Convert to fraction form
    605,111.76/908,151.48 = 272,713.68/x
  3. Step 3: Cross multiply
    605,111.76x = 908,151.48 × 272,713.68
  4. Step 4: Simplify right side
    605,111.76x = 247,665,332,108.25
  5. Step 5: Solve for x
    x = 247,665,332,108.25/605,111.76
  6. Step 6: Final answer
    x = 409,288.58

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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.