Home / 247,834.23-342,028.16-140,405.15

Finding the Fourth Proportional to 247,834.23, 342,028.16 and 140,405.15

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Solution

The fourth proportional to 247,834.23, 342,028.16 and 140,405.15 is: 193,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,834.23 : 342,028.16 = 140,405.15 : x
  2. Step 2: Convert to fraction form
    247,834.23/342,028.16 = 140,405.15/x
  3. Step 3: Cross multiply
    247,834.23x = 342,028.16 × 140,405.15
  4. Step 4: Simplify right side
    247,834.23x = 48,022,512,696.86
  5. Step 5: Solve for x
    x = 48,022,512,696.86/247,834.23
  6. Step 6: Final answer
    x = 193,768.68

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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.