Home / 247,200.47-341,127.19-139,772.75

Finding the Fourth Proportional to 247,200.47, 341,127.19 and 139,772.75

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Solution

The fourth proportional to 247,200.47, 341,127.19 and 139,772.75 is: 192,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,200.47 : 341,127.19 = 139,772.75 : x
  2. Step 2: Convert to fraction form
    247,200.47/341,127.19 = 139,772.75/x
  3. Step 3: Cross multiply
    247,200.47x = 341,127.19 × 139,772.75
  4. Step 4: Simplify right side
    247,200.47x = 47,680,285,949.46
  5. Step 5: Solve for x
    x = 47,680,285,949.46/247,200.47
  6. Step 6: Final answer
    x = 192,881.05

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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.