Home / 454,717.05-681,887.91-155,221.78

Finding the Fourth Proportional to 454,717.05, 681,887.91 and 155,221.78

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Solution

The fourth proportional to 454,717.05, 681,887.91 and 155,221.78 is: 232,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,717.05 : 681,887.91 = 155,221.78 : x
  2. Step 2: Convert to fraction form
    454,717.05/681,887.91 = 155,221.78/x
  3. Step 3: Cross multiply
    454,717.05x = 681,887.91 × 155,221.78
  4. Step 4: Simplify right side
    454,717.05x = 105,843,852,863.88
  5. Step 5: Solve for x
    x = 105,843,852,863.88/454,717.05
  6. Step 6: Final answer
    x = 232,768.60

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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.