Home / 253,634.18-350,022.75-140,454.50

Finding the Fourth Proportional to 253,634.18, 350,022.75 and 140,454.50

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Solution

The fourth proportional to 253,634.18, 350,022.75 and 140,454.50 is: 193,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,634.18 : 350,022.75 = 140,454.50 : x
  2. Step 2: Convert to fraction form
    253,634.18/350,022.75 = 140,454.50/x
  3. Step 3: Cross multiply
    253,634.18x = 350,022.75 × 140,454.50
  4. Step 4: Simplify right side
    253,634.18x = 49,162,270,339.88
  5. Step 5: Solve for x
    x = 49,162,270,339.88/253,634.18
  6. Step 6: Final answer
    x = 193,831.41

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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.