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Finding the Fourth Proportional to 203,273.62, 304,855.35 and 84,920.20

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Solution

The fourth proportional to 203,273.62, 304,855.35 and 84,920.20 is: 127,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,273.62 : 304,855.35 = 84,920.20 : x
  2. Step 2: Convert to fraction form
    203,273.62/304,855.35 = 84,920.20/x
  3. Step 3: Cross multiply
    203,273.62x = 304,855.35 × 84,920.20
  4. Step 4: Simplify right side
    203,273.62x = 25,888,377,293.07
  5. Step 5: Solve for x
    x = 25,888,377,293.07/203,273.62
  6. Step 6: Final answer
    x = 127,357.29

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1.5x scale

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.