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Finding the Fourth Proportional to 203,306.88, 304,960.26 and 98,330.88

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Solution

The fourth proportional to 203,306.88, 304,960.26 and 98,330.88 is: 147,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,306.88 : 304,960.26 = 98,330.88 : x
  2. Step 2: Convert to fraction form
    203,306.88/304,960.26 = 98,330.88/x
  3. Step 3: Cross multiply
    203,306.88x = 304,960.26 × 98,330.88
  4. Step 4: Simplify right side
    203,306.88x = 29,987,010,730.83
  5. Step 5: Solve for x
    x = 29,987,010,730.83/203,306.88
  6. Step 6: Final answer
    x = 147,496.29

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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.