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Finding the Fourth Proportional to 544,820.67, 816,958.53 and 203,148.36

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Solution

The fourth proportional to 544,820.67, 816,958.53 and 203,148.36 is: 304,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,820.67 : 816,958.53 = 203,148.36 : x
  2. Step 2: Convert to fraction form
    544,820.67/816,958.53 = 203,148.36/x
  3. Step 3: Cross multiply
    544,820.67x = 816,958.53 × 203,148.36
  4. Step 4: Simplify right side
    544,820.67x = 165,963,785,557.51
  5. Step 5: Solve for x
    x = 165,963,785,557.51/544,820.67
  6. Step 6: Final answer
    x = 304,620.94

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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.