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Finding the Fourth Proportional to 259,482, 358,085.20 and 140,250

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Solution

The fourth proportional to 259,482, 358,085.20 and 140,250 is: 193,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,482 : 358,085.20 = 140,250 : x
  2. Step 2: Convert to fraction form
    259,482/358,085.20 = 140,250/x
  3. Step 3: Cross multiply
    259,482x = 358,085.20 × 140,250
  4. Step 4: Simplify right side
    259,482x = 50,221,449,300
  5. Step 5: Solve for x
    x = 50,221,449,300/259,482
  6. Step 6: Final answer
    x = 193,545.02

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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.