Home / 247,831.58-342,001.15-140,398.85

Finding the Fourth Proportional to 247,831.58, 342,001.15 and 140,398.85

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Solution

The fourth proportional to 247,831.58, 342,001.15 and 140,398.85 is: 193,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,831.58 : 342,001.15 = 140,398.85 : x
  2. Step 2: Convert to fraction form
    247,831.58/342,001.15 = 140,398.85/x
  3. Step 3: Cross multiply
    247,831.58x = 342,001.15 × 140,398.85
  4. Step 4: Simplify right side
    247,831.58x = 48,016,568,662.68
  5. Step 5: Solve for x
    x = 48,016,568,662.68/247,831.58
  6. Step 6: Final answer
    x = 193,746.77

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1.5x scale

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.