Home / 921,155.13-1,381,542.12-247,076.06

Finding the Fourth Proportional to 921,155.13, 1,381,542.12 and 247,076.06

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Solution

The fourth proportional to 921,155.13, 1,381,542.12 and 247,076.06 is: 370,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,155.13 : 1,381,542.12 = 247,076.06 : x
  2. Step 2: Convert to fraction form
    921,155.13/1,381,542.12 = 247,076.06/x
  3. Step 3: Cross multiply
    921,155.13x = 1,381,542.12 × 247,076.06
  4. Step 4: Simplify right side
    921,155.13x = 341,345,976,825.94
  5. Step 5: Solve for x
    x = 341,345,976,825.94/921,155.13
  6. Step 6: Final answer
    x = 370,562.97

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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.