Home / 318,741.37-439,864.69-182,780.44

Finding the Fourth Proportional to 318,741.37, 439,864.69 and 182,780.44

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Solution

The fourth proportional to 318,741.37, 439,864.69 and 182,780.44 is: 252,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,741.37 : 439,864.69 = 182,780.44 : x
  2. Step 2: Convert to fraction form
    318,741.37/439,864.69 = 182,780.44/x
  3. Step 3: Cross multiply
    318,741.37x = 439,864.69 × 182,780.44
  4. Step 4: Simplify right side
    318,741.37x = 80,398,659,379.34
  5. Step 5: Solve for x
    x = 80,398,659,379.34/318,741.37
  6. Step 6: Final answer
    x = 252,237.92

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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.