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Finding the Fourth Proportional to 375,219.52, 517,799.34 and 203,133.07

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Solution

The fourth proportional to 375,219.52, 517,799.34 and 203,133.07 is: 280,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,219.52 : 517,799.34 = 203,133.07 : x
  2. Step 2: Convert to fraction form
    375,219.52/517,799.34 = 203,133.07/x
  3. Step 3: Cross multiply
    375,219.52x = 517,799.34 × 203,133.07
  4. Step 4: Simplify right side
    375,219.52x = 105,182,169,463.67
  5. Step 5: Solve for x
    x = 105,182,169,463.67/375,219.52
  6. Step 6: Final answer
    x = 280,321.69

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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.