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Finding the Fourth Proportional to 297,604.64, 410,697.42 and 161,639.90

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Solution

The fourth proportional to 297,604.64, 410,697.42 and 161,639.90 is: 223,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,604.64 : 410,697.42 = 161,639.90 : x
  2. Step 2: Convert to fraction form
    297,604.64/410,697.42 = 161,639.90/x
  3. Step 3: Cross multiply
    297,604.64x = 410,697.42 × 161,639.90
  4. Step 4: Simplify right side
    297,604.64x = 66,385,089,899.06
  5. Step 5: Solve for x
    x = 66,385,089,899.06/297,604.64
  6. Step 6: Final answer
    x = 223,064.70

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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.