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Finding the Fourth Proportional to 387,747.84, 535,104.42 and 234,814.56

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Solution

The fourth proportional to 387,747.84, 535,104.42 and 234,814.56 is: 324,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,747.84 : 535,104.42 = 234,814.56 : x
  2. Step 2: Convert to fraction form
    387,747.84/535,104.42 = 234,814.56/x
  3. Step 3: Cross multiply
    387,747.84x = 535,104.42 × 234,814.56
  4. Step 4: Simplify right side
    387,747.84x = 125,650,308,936.36
  5. Step 5: Solve for x
    x = 125,650,308,936.36/387,747.84
  6. Step 6: Final answer
    x = 324,051.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.