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Finding the Fourth Proportional to 203,979.06, 305,525.52 and 98,577

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Solution

The fourth proportional to 203,979.06, 305,525.52 and 98,577 is: 147,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,979.06 : 305,525.52 = 98,577 : x
  2. Step 2: Convert to fraction form
    203,979.06/305,525.52 = 98,577/x
  3. Step 3: Cross multiply
    203,979.06x = 305,525.52 × 98,577
  4. Step 4: Simplify right side
    203,979.06x = 30,117,789,185.04
  5. Step 5: Solve for x
    x = 30,117,789,185.04/203,979.06
  6. Step 6: Final answer
    x = 147,651.38

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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.