Home / 215,965.58-323,926.47-58,209.98

Finding the Fourth Proportional to 215,965.58, 323,926.47 and 58,209.98

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Solution

The fourth proportional to 215,965.58, 323,926.47 and 58,209.98 is: 87,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,965.58 : 323,926.47 = 58,209.98 : x
  2. Step 2: Convert to fraction form
    215,965.58/323,926.47 = 58,209.98/x
  3. Step 3: Cross multiply
    215,965.58x = 323,926.47 × 58,209.98
  4. Step 4: Simplify right side
    215,965.58x = 18,855,751,720.54
  5. Step 5: Solve for x
    x = 18,855,751,720.54/215,965.58
  6. Step 6: Final answer
    x = 87,309.06

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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.