Home / 215,376.37-323,064.45-82,270.08

Finding the Fourth Proportional to 215,376.37, 323,064.45 and 82,270.08

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Solution

The fourth proportional to 215,376.37, 323,064.45 and 82,270.08 is: 123,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,376.37 : 323,064.45 = 82,270.08 : x
  2. Step 2: Convert to fraction form
    215,376.37/323,064.45 = 82,270.08/x
  3. Step 3: Cross multiply
    215,376.37x = 323,064.45 × 82,270.08
  4. Step 4: Simplify right side
    215,376.37x = 26,578,538,146.66
  5. Step 5: Solve for x
    x = 26,578,538,146.66/215,376.37
  6. Step 6: Final answer
    x = 123,405.08

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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.