Home / 247,056.75-340,899.57-143,713.85

Finding the Fourth Proportional to 247,056.75, 340,899.57 and 143,713.85

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Solution

The fourth proportional to 247,056.75, 340,899.57 and 143,713.85 is: 198,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,056.75 : 340,899.57 = 143,713.85 : x
  2. Step 2: Convert to fraction form
    247,056.75/340,899.57 = 143,713.85/x
  3. Step 3: Cross multiply
    247,056.75x = 340,899.57 × 143,713.85
  4. Step 4: Simplify right side
    247,056.75x = 48,991,987,963.55
  5. Step 5: Solve for x
    x = 48,991,987,963.55/247,056.75
  6. Step 6: Final answer
    x = 198,302.57

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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.