Home / 283,922.08-391,811.69-163,071.18

Finding the Fourth Proportional to 283,922.08, 391,811.69 and 163,071.18

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Solution

The fourth proportional to 283,922.08, 391,811.69 and 163,071.18 is: 225,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,922.08 : 391,811.69 = 163,071.18 : x
  2. Step 2: Convert to fraction form
    283,922.08/391,811.69 = 163,071.18/x
  3. Step 3: Cross multiply
    283,922.08x = 391,811.69 × 163,071.18
  4. Step 4: Simplify right side
    283,922.08x = 63,893,195,033.77
  5. Step 5: Solve for x
    x = 63,893,195,033.77/283,922.08
  6. Step 6: Final answer
    x = 225,037.78

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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.