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Finding the Fourth Proportional to 247,360, 341,356.98 and 134,183.20

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Solution

The fourth proportional to 247,360, 341,356.98 and 134,183.20 is: 185,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,360 : 341,356.98 = 134,183.20 : x
  2. Step 2: Convert to fraction form
    247,360/341,356.98 = 134,183.20/x
  3. Step 3: Cross multiply
    247,360x = 341,356.98 × 134,183.20
  4. Step 4: Simplify right side
    247,360x = 45,804,371,918.74
  5. Step 5: Solve for x
    x = 45,804,371,918.74/247,360
  6. Step 6: Final answer
    x = 185,172.91

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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.