Home / 274,584.81-411,864.90-74,904.56

Finding the Fourth Proportional to 274,584.81, 411,864.90 and 74,904.56

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Solution

The fourth proportional to 274,584.81, 411,864.90 and 74,904.56 is: 112,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,584.81 : 411,864.90 = 74,904.56 : x
  2. Step 2: Convert to fraction form
    274,584.81/411,864.90 = 74,904.56/x
  3. Step 3: Cross multiply
    274,584.81x = 411,864.90 × 74,904.56
  4. Step 4: Simplify right side
    274,584.81x = 30,850,557,054.62
  5. Step 5: Solve for x
    x = 30,850,557,054.62/274,584.81
  6. Step 6: Final answer
    x = 112,353.47

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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.