Home / 247,867.56-342,056.36-140,458.04

Finding the Fourth Proportional to 247,867.56, 342,056.36 and 140,458.04

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Solution

The fourth proportional to 247,867.56, 342,056.36 and 140,458.04 is: 193,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,867.56 : 342,056.36 = 140,458.04 : x
  2. Step 2: Convert to fraction form
    247,867.56/342,056.36 = 140,458.04/x
  3. Step 3: Cross multiply
    247,867.56x = 342,056.36 × 140,458.04
  4. Step 4: Simplify right side
    247,867.56x = 48,044,565,895.13
  5. Step 5: Solve for x
    x = 48,044,565,895.13/247,867.56
  6. Step 6: Final answer
    x = 193,831.60

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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.