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Finding the Fourth Proportional to 297,426.53, 446,137.67 and 72,790.19

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Solution

The fourth proportional to 297,426.53, 446,137.67 and 72,790.19 is: 109,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,426.53 : 446,137.67 = 72,790.19 : x
  2. Step 2: Convert to fraction form
    297,426.53/446,137.67 = 72,790.19/x
  3. Step 3: Cross multiply
    297,426.53x = 446,137.67 × 72,790.19
  4. Step 4: Simplify right side
    297,426.53x = 32,474,447,899.29
  5. Step 5: Solve for x
    x = 32,474,447,899.29/297,426.53
  6. Step 6: Final answer
    x = 109,184.77

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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.