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Finding the Fourth Proportional to 539,964.82, 810,068.01 and 203,008.39

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Solution

The fourth proportional to 539,964.82, 810,068.01 and 203,008.39 is: 304,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,964.82 : 810,068.01 = 203,008.39 : x
  2. Step 2: Convert to fraction form
    539,964.82/810,068.01 = 203,008.39/x
  3. Step 3: Cross multiply
    539,964.82x = 810,068.01 × 203,008.39
  4. Step 4: Simplify right side
    539,964.82x = 164,450,600,475.43
  5. Step 5: Solve for x
    x = 164,450,600,475.43/539,964.82
  6. Step 6: Final answer
    x = 304,557.99

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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.