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Finding the Fourth Proportional to 277,594.64, 383,726.22 and 247,676.48

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Solution

The fourth proportional to 277,594.64, 383,726.22 and 247,676.48 is: 342,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,594.64 : 383,726.22 = 247,676.48 : x
  2. Step 2: Convert to fraction form
    277,594.64/383,726.22 = 247,676.48/x
  3. Step 3: Cross multiply
    277,594.64x = 383,726.22 × 247,676.48
  4. Step 4: Simplify right side
    277,594.64x = 95,039,959,453.31
  5. Step 5: Solve for x
    x = 95,039,959,453.31/277,594.64
  6. Step 6: Final answer
    x = 342,369.58

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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.