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Finding the Fourth Proportional to 227,294.57, 341,040.33 and 121,990.52

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Solution

The fourth proportional to 227,294.57, 341,040.33 and 121,990.52 is: 183,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,294.57 : 341,040.33 = 121,990.52 : x
  2. Step 2: Convert to fraction form
    227,294.57/341,040.33 = 121,990.52/x
  3. Step 3: Cross multiply
    227,294.57x = 341,040.33 × 121,990.52
  4. Step 4: Simplify right side
    227,294.57x = 41,603,685,492.47
  5. Step 5: Solve for x
    x = 41,603,685,492.47/227,294.57
  6. Step 6: Final answer
    x = 183,038.63

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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.