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Finding the Fourth Proportional to 245,787.10, 339,005.10 and 185,360.28

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Solution

The fourth proportional to 245,787.10, 339,005.10 and 185,360.28 is: 255,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,787.10 : 339,005.10 = 185,360.28 : x
  2. Step 2: Convert to fraction form
    245,787.10/339,005.10 = 185,360.28/x
  3. Step 3: Cross multiply
    245,787.10x = 339,005.10 × 185,360.28
  4. Step 4: Simplify right side
    245,787.10x = 62,838,080,257.43
  5. Step 5: Solve for x
    x = 62,838,080,257.43/245,787.10
  6. Step 6: Final answer
    x = 255,660.61

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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.