Home / 247,934.20-372,290.10-142,958.20

Finding the Fourth Proportional to 247,934.20, 372,290.10 and 142,958.20

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Solution

The fourth proportional to 247,934.20, 372,290.10 and 142,958.20 is: 214,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,934.20 : 372,290.10 = 142,958.20 : x
  2. Step 2: Convert to fraction form
    247,934.20/372,290.10 = 142,958.20/x
  3. Step 3: Cross multiply
    247,934.20x = 372,290.10 × 142,958.20
  4. Step 4: Simplify right side
    247,934.20x = 53,221,922,573.82
  5. Step 5: Solve for x
    x = 53,221,922,573.82/247,934.20
  6. Step 6: Final answer
    x = 214,661.48

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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.