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Finding the Fourth Proportional to 376,644.80, 519,868.48 and 233,323.52

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Solution

The fourth proportional to 376,644.80, 519,868.48 and 233,323.52 is: 322,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,644.80 : 519,868.48 = 233,323.52 : x
  2. Step 2: Convert to fraction form
    376,644.80/519,868.48 = 233,323.52/x
  3. Step 3: Cross multiply
    376,644.80x = 519,868.48 × 233,323.52
  4. Step 4: Simplify right side
    376,644.80x = 121,297,543,690.65
  5. Step 5: Solve for x
    x = 121,297,543,690.65/376,644.80
  6. Step 6: Final answer
    x = 322,047.57

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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.