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Finding the Fourth Proportional to 503,777.09, 755,782.37 and 143,952.62

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Solution

The fourth proportional to 503,777.09, 755,782.37 and 143,952.62 is: 215,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,777.09 : 755,782.37 = 143,952.62 : x
  2. Step 2: Convert to fraction form
    503,777.09/755,782.37 = 143,952.62/x
  3. Step 3: Cross multiply
    503,777.09x = 755,782.37 × 143,952.62
  4. Step 4: Simplify right side
    503,777.09x = 108,796,854,560.65
  5. Step 5: Solve for x
    x = 108,796,854,560.65/503,777.09
  6. Step 6: Final answer
    x = 215,962.29

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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.