Home / 259,470.43-358,069.03-140,238.43

Finding the Fourth Proportional to 259,470.43, 358,069.03 and 140,238.43

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Solution

The fourth proportional to 259,470.43, 358,069.03 and 140,238.43 is: 193,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,470.43 : 358,069.03 = 140,238.43 : x
  2. Step 2: Convert to fraction form
    259,470.43/358,069.03 = 140,238.43/x
  3. Step 3: Cross multiply
    259,470.43x = 358,069.03 × 140,238.43
  4. Step 4: Simplify right side
    259,470.43x = 50,215,038,598.82
  5. Step 5: Solve for x
    x = 50,215,038,598.82/259,470.43
  6. Step 6: Final answer
    x = 193,528.95

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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.