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Finding the Fourth Proportional to 185,480.64, 277,849.92 and 85,504.08

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Solution

The fourth proportional to 185,480.64, 277,849.92 and 85,504.08 is: 128,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,480.64 : 277,849.92 = 85,504.08 : x
  2. Step 2: Convert to fraction form
    185,480.64/277,849.92 = 85,504.08/x
  3. Step 3: Cross multiply
    185,480.64x = 277,849.92 × 85,504.08
  4. Step 4: Simplify right side
    185,480.64x = 23,757,301,787.67
  5. Step 5: Solve for x
    x = 23,757,301,787.67/185,480.64
  6. Step 6: Final answer
    x = 128,085.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.