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Finding the Fourth Proportional to 543,448.04, 814,944.04 and 206,302.82

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Solution

The fourth proportional to 543,448.04, 814,944.04 and 206,302.82 is: 309,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,448.04 : 814,944.04 = 206,302.82 : x
  2. Step 2: Convert to fraction form
    543,448.04/814,944.04 = 206,302.82/x
  3. Step 3: Cross multiply
    543,448.04x = 814,944.04 × 206,302.82
  4. Step 4: Simplify right side
    543,448.04x = 168,125,249,003.72
  5. Step 5: Solve for x
    x = 168,125,249,003.72/543,448.04
  6. Step 6: Final answer
    x = 309,367.66

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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.