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Finding the Fourth Proportional to 220,498.07, 304,380.41 and 148,974.93

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Solution

The fourth proportional to 220,498.07, 304,380.41 and 148,974.93 is: 205,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,498.07 : 304,380.41 = 148,974.93 : x
  2. Step 2: Convert to fraction form
    220,498.07/304,380.41 = 148,974.93/x
  3. Step 3: Cross multiply
    220,498.07x = 304,380.41 × 148,974.93
  4. Step 4: Simplify right side
    220,498.07x = 45,345,049,528.25
  5. Step 5: Solve for x
    x = 45,345,049,528.25/220,498.07
  6. Step 6: Final answer
    x = 205,648.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.