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Finding the Fourth Proportional to 247,333.64, 341,062.26 and 146,712.20

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Solution

The fourth proportional to 247,333.64, 341,062.26 and 146,712.20 is: 202,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,333.64 : 341,062.26 = 146,712.20 : x
  2. Step 2: Convert to fraction form
    247,333.64/341,062.26 = 146,712.20/x
  3. Step 3: Cross multiply
    247,333.64x = 341,062.26 × 146,712.20
  4. Step 4: Simplify right side
    247,333.64x = 50,037,994,501.57
  5. Step 5: Solve for x
    x = 50,037,994,501.57/247,333.64
  6. Step 6: Final answer
    x = 202,309.70

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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.