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Finding the Fourth Proportional to 247,383, 341,385.30 and 134,209.80

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Solution

The fourth proportional to 247,383, 341,385.30 and 134,209.80 is: 185,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,383 : 341,385.30 = 134,209.80 : x
  2. Step 2: Convert to fraction form
    247,383/341,385.30 = 134,209.80/x
  3. Step 3: Cross multiply
    247,383x = 341,385.30 × 134,209.80
  4. Step 4: Simplify right side
    247,383x = 45,817,252,835.94
  5. Step 5: Solve for x
    x = 45,817,252,835.94/247,383
  6. Step 6: Final answer
    x = 185,207.77

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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.