Home / 247,718.43-341,872.56-140,307.57

Finding the Fourth Proportional to 247,718.43, 341,872.56 and 140,307.57

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Solution

The fourth proportional to 247,718.43, 341,872.56 and 140,307.57 is: 193,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718.43 : 341,872.56 = 140,307.57 : x
  2. Step 2: Convert to fraction form
    247,718.43/341,872.56 = 140,307.57/x
  3. Step 3: Cross multiply
    247,718.43x = 341,872.56 × 140,307.57
  4. Step 4: Simplify right side
    247,718.43x = 47,967,308,143.28
  5. Step 5: Solve for x
    x = 47,967,308,143.28/247,718.43
  6. Step 6: Final answer
    x = 193,636.41

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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.