Home / 259,922.46-390,007.62-141,591.18

Finding the Fourth Proportional to 259,922.46, 390,007.62 and 141,591.18

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Solution

The fourth proportional to 259,922.46, 390,007.62 and 141,591.18 is: 212,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,922.46 : 390,007.62 = 141,591.18 : x
  2. Step 2: Convert to fraction form
    259,922.46/390,007.62 = 141,591.18/x
  3. Step 3: Cross multiply
    259,922.46x = 390,007.62 × 141,591.18
  4. Step 4: Simplify right side
    259,922.46x = 55,221,639,124.79
  5. Step 5: Solve for x
    x = 55,221,639,124.79/259,922.46
  6. Step 6: Final answer
    x = 212,454.28

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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.