Home / 328,231.25-492,408.63-226,079.72

Finding the Fourth Proportional to 328,231.25, 492,408.63 and 226,079.72

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Solution

The fourth proportional to 328,231.25, 492,408.63 and 226,079.72 is: 339,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,231.25 : 492,408.63 = 226,079.72 : x
  2. Step 2: Convert to fraction form
    328,231.25/492,408.63 = 226,079.72/x
  3. Step 3: Cross multiply
    328,231.25x = 492,408.63 × 226,079.72
  4. Step 4: Simplify right side
    328,231.25x = 111,323,602,733.94
  5. Step 5: Solve for x
    x = 111,323,602,733.94/328,231.25
  6. Step 6: Final answer
    x = 339,162.11

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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.