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Finding the Fourth Proportional to 404,476.48, 606,455.52 and 167,982.40

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Solution

The fourth proportional to 404,476.48, 606,455.52 and 167,982.40 is: 251,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,476.48 : 606,455.52 = 167,982.40 : x
  2. Step 2: Convert to fraction form
    404,476.48/606,455.52 = 167,982.40/x
  3. Step 3: Cross multiply
    404,476.48x = 606,455.52 × 167,982.40
  4. Step 4: Simplify right side
    404,476.48x = 101,873,853,742.85
  5. Step 5: Solve for x
    x = 101,873,853,742.85/404,476.48
  6. Step 6: Final answer
    x = 251,865.95

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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.