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Finding the Fourth Proportional to 253,813.32, 380,463.63 and 159,109.89

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Solution

The fourth proportional to 253,813.32, 380,463.63 and 159,109.89 is: 238,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,813.32 : 380,463.63 = 159,109.89 : x
  2. Step 2: Convert to fraction form
    253,813.32/380,463.63 = 159,109.89/x
  3. Step 3: Cross multiply
    253,813.32x = 380,463.63 × 159,109.89
  4. Step 4: Simplify right side
    253,813.32x = 60,535,526,318.30
  5. Step 5: Solve for x
    x = 60,535,526,318.30/253,813.32
  6. Step 6: Final answer
    x = 238,504.13

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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.