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Finding the Fourth Proportional to 203,106.60, 304,712.48 and 118,937.88

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Solution

The fourth proportional to 203,106.60, 304,712.48 and 118,937.88 is: 178,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,106.60 : 304,712.48 = 118,937.88 : x
  2. Step 2: Convert to fraction form
    203,106.60/304,712.48 = 118,937.88/x
  3. Step 3: Cross multiply
    203,106.60x = 304,712.48 × 118,937.88
  4. Step 4: Simplify right side
    203,106.60x = 36,241,856,380.74
  5. Step 5: Solve for x
    x = 36,241,856,380.74/203,106.60
  6. Step 6: Final answer
    x = 178,437.61

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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.