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Finding the Fourth Proportional to 304,077.62, 419,648.37 and 168,115.70

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Solution

The fourth proportional to 304,077.62, 419,648.37 and 168,115.70 is: 232,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,077.62 : 419,648.37 = 168,115.70 : x
  2. Step 2: Convert to fraction form
    304,077.62/419,648.37 = 168,115.70/x
  3. Step 3: Cross multiply
    304,077.62x = 419,648.37 × 168,115.70
  4. Step 4: Simplify right side
    304,077.62x = 70,549,479,476.41
  5. Step 5: Solve for x
    x = 70,549,479,476.41/304,077.62
  6. Step 6: Final answer
    x = 232,011.42

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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.