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Finding the Fourth Proportional to 403,204.75, 604,468.14 and 269,677.47

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Solution

The fourth proportional to 403,204.75, 604,468.14 and 269,677.47 is: 404,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,204.75 : 604,468.14 = 269,677.47 : x
  2. Step 2: Convert to fraction form
    403,204.75/604,468.14 = 269,677.47/x
  3. Step 3: Cross multiply
    403,204.75x = 604,468.14 × 269,677.47
  4. Step 4: Simplify right side
    403,204.75x = 163,011,438,063.07
  5. Step 5: Solve for x
    x = 163,011,438,063.07/403,204.75
  6. Step 6: Final answer
    x = 404,289.48

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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.