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Finding the Fourth Proportional to 203,904.80, 305,857.20 and 185,205.95

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Solution

The fourth proportional to 203,904.80, 305,857.20 and 185,205.95 is: 277,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,904.80 : 305,857.20 = 185,205.95 : x
  2. Step 2: Convert to fraction form
    203,904.80/305,857.20 = 185,205.95/x
  3. Step 3: Cross multiply
    203,904.80x = 305,857.20 × 185,205.95
  4. Step 4: Simplify right side
    203,904.80x = 56,646,573,290.34
  5. Step 5: Solve for x
    x = 56,646,573,290.34/203,904.80
  6. Step 6: Final answer
    x = 277,808.93

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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.