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Finding the Fourth Proportional to 351,620.40, 527,689.80 and 233,252.40

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Solution

The fourth proportional to 351,620.40, 527,689.80 and 233,252.40 is: 350,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,620.40 : 527,689.80 = 233,252.40 : x
  2. Step 2: Convert to fraction form
    351,620.40/527,689.80 = 233,252.40/x
  3. Step 3: Cross multiply
    351,620.40x = 527,689.80 × 233,252.40
  4. Step 4: Simplify right side
    351,620.40x = 123,084,912,305.52
  5. Step 5: Solve for x
    x = 123,084,912,305.52/351,620.40
  6. Step 6: Final answer
    x = 350,050.54

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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.