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Finding the Fourth Proportional to 305,916.08, 422,156.61 and 169,950.38

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Solution

The fourth proportional to 305,916.08, 422,156.61 and 169,950.38 is: 234,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,916.08 : 422,156.61 = 169,950.38 : x
  2. Step 2: Convert to fraction form
    305,916.08/422,156.61 = 169,950.38/x
  3. Step 3: Cross multiply
    305,916.08x = 422,156.61 × 169,950.38
  4. Step 4: Simplify right side
    305,916.08x = 71,745,674,178.23
  5. Step 5: Solve for x
    x = 71,745,674,178.23/305,916.08
  6. Step 6: Final answer
    x = 234,527.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.