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Finding the Fourth Proportional to 247,896.64, 342,100.02 and 134,719.39

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Solution

The fourth proportional to 247,896.64, 342,100.02 and 134,719.39 is: 185,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,896.64 : 342,100.02 = 134,719.39 : x
  2. Step 2: Convert to fraction form
    247,896.64/342,100.02 = 134,719.39/x
  3. Step 3: Cross multiply
    247,896.64x = 342,100.02 × 134,719.39
  4. Step 4: Simplify right side
    247,896.64x = 46,087,506,013.39
  5. Step 5: Solve for x
    x = 46,087,506,013.39/247,896.64
  6. Step 6: Final answer
    x = 185,914.20

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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.