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Finding the Fourth Proportional to 496,398.98, 744,080.07 and 243,329.06

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Solution

The fourth proportional to 496,398.98, 744,080.07 and 243,329.06 is: 364,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,398.98 : 744,080.07 = 243,329.06 : x
  2. Step 2: Convert to fraction form
    496,398.98/744,080.07 = 243,329.06/x
  3. Step 3: Cross multiply
    496,398.98x = 744,080.07 × 243,329.06
  4. Step 4: Simplify right side
    496,398.98x = 181,056,306,770.52
  5. Step 5: Solve for x
    x = 181,056,306,770.52/496,398.98
  6. Step 6: Final answer
    x = 364,739.48

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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.