Home / 278,227.52-383,894.88-165,087.04

Finding the Fourth Proportional to 278,227.52, 383,894.88 and 165,087.04

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Solution

The fourth proportional to 278,227.52, 383,894.88 and 165,087.04 is: 227,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,227.52 : 383,894.88 = 165,087.04 : x
  2. Step 2: Convert to fraction form
    278,227.52/383,894.88 = 165,087.04/x
  3. Step 3: Cross multiply
    278,227.52x = 383,894.88 × 165,087.04
  4. Step 4: Simplify right side
    278,227.52x = 63,376,069,410.36
  5. Step 5: Solve for x
    x = 63,376,069,410.36/278,227.52
  6. Step 6: Final answer
    x = 227,785.05

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1.5x scale

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.