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Finding the Fourth Proportional to 203,150.60, 304,898.70 and 91,003.40

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Solution

The fourth proportional to 203,150.60, 304,898.70 and 91,003.40 is: 136,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,150.60 : 304,898.70 = 91,003.40 : x
  2. Step 2: Convert to fraction form
    203,150.60/304,898.70 = 91,003.40/x
  3. Step 3: Cross multiply
    203,150.60x = 304,898.70 × 91,003.40
  4. Step 4: Simplify right side
    203,150.60x = 27,746,818,355.58
  5. Step 5: Solve for x
    x = 27,746,818,355.58/203,150.60
  6. Step 6: Final answer
    x = 136,582.51

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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.