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Finding the Fourth Proportional to 290,853.27, 436,276.67 and 113,484.87

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Solution

The fourth proportional to 290,853.27, 436,276.67 and 113,484.87 is: 170,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,853.27 : 436,276.67 = 113,484.87 : x
  2. Step 2: Convert to fraction form
    290,853.27/436,276.67 = 113,484.87/x
  3. Step 3: Cross multiply
    290,853.27x = 436,276.67 × 113,484.87
  4. Step 4: Simplify right side
    290,853.27x = 49,510,800,611.56
  5. Step 5: Solve for x
    x = 49,510,800,611.56/290,853.27
  6. Step 6: Final answer
    x = 170,226.04

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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.