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Finding the Fourth Proportional to 255,891.04, 383,836.48 and 89,679.04

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Solution

The fourth proportional to 255,891.04, 383,836.48 and 89,679.04 is: 134,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,891.04 : 383,836.48 = 89,679.04 : x
  2. Step 2: Convert to fraction form
    255,891.04/383,836.48 = 89,679.04/x
  3. Step 3: Cross multiply
    255,891.04x = 383,836.48 × 89,679.04
  4. Step 4: Simplify right side
    255,891.04x = 34,422,087,043.38
  5. Step 5: Solve for x
    x = 34,422,087,043.38/255,891.04
  6. Step 6: Final answer
    x = 134,518.53

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1.5x scale

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.