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Finding the Fourth Proportional to 540,241.46, 810,393.90 and 203,285.03

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Solution

The fourth proportional to 540,241.46, 810,393.90 and 203,285.03 is: 304,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,241.46 : 810,393.90 = 203,285.03 : x
  2. Step 2: Convert to fraction form
    540,241.46/810,393.90 = 203,285.03/x
  3. Step 3: Cross multiply
    540,241.46x = 810,393.90 × 203,285.03
  4. Step 4: Simplify right side
    540,241.46x = 164,740,944,221.35
  5. Step 5: Solve for x
    x = 164,740,944,221.35/540,241.46
  6. Step 6: Final answer
    x = 304,939.47

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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.