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Finding the Fourth Proportional to 247,880.75, 342,077.57 and 134,703.50

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Solution

The fourth proportional to 247,880.75, 342,077.57 and 134,703.50 is: 185,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,880.75 : 342,077.57 = 134,703.50 : x
  2. Step 2: Convert to fraction form
    247,880.75/342,077.57 = 134,703.50/x
  3. Step 3: Cross multiply
    247,880.75x = 342,077.57 × 134,703.50
  4. Step 4: Simplify right side
    247,880.75x = 46,079,043,566.59
  5. Step 5: Solve for x
    x = 46,079,043,566.59/247,880.75
  6. Step 6: Final answer
    x = 185,891.98

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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.