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Finding the Fourth Proportional to 304,279.06, 419,872.80 and 168,291.40

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Solution

The fourth proportional to 304,279.06, 419,872.80 and 168,291.40 is: 232,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,279.06 : 419,872.80 = 168,291.40 : x
  2. Step 2: Convert to fraction form
    304,279.06/419,872.80 = 168,291.40/x
  3. Step 3: Cross multiply
    304,279.06x = 419,872.80 × 168,291.40
  4. Step 4: Simplify right side
    304,279.06x = 70,660,981,333.92
  5. Step 5: Solve for x
    x = 70,660,981,333.92/304,279.06
  6. Step 6: Final answer
    x = 232,224.27

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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.