Home / 252,440.32-378,530.88-83,899.84

Finding the Fourth Proportional to 252,440.32, 378,530.88 and 83,899.84

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Solution

The fourth proportional to 252,440.32, 378,530.88 and 83,899.84 is: 125,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,440.32 : 378,530.88 = 83,899.84 : x
  2. Step 2: Convert to fraction form
    252,440.32/378,530.88 = 83,899.84/x
  3. Step 3: Cross multiply
    252,440.32x = 378,530.88 × 83,899.84
  4. Step 4: Simplify right side
    252,440.32x = 31,758,680,267.06
  5. Step 5: Solve for x
    x = 31,758,680,267.06/252,440.32
  6. Step 6: Final answer
    x = 125,806.69

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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.