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Finding the Fourth Proportional to 304,279.05, 419,872.80 and 168,291.39

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Solution

The fourth proportional to 304,279.05, 419,872.80 and 168,291.39 is: 232,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,279.05 : 419,872.80 = 168,291.39 : x
  2. Step 2: Convert to fraction form
    304,279.05/419,872.80 = 168,291.39/x
  3. Step 3: Cross multiply
    304,279.05x = 419,872.80 × 168,291.39
  4. Step 4: Simplify right side
    304,279.05x = 70,660,977,135.19
  5. Step 5: Solve for x
    x = 70,660,977,135.19/304,279.05
  6. Step 6: Final answer
    x = 232,224.26

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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.