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Finding the Fourth Proportional to 436,231.40, 653,861.10 and 169,903.40

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Solution

The fourth proportional to 436,231.40, 653,861.10 and 169,903.40 is: 254,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,231.40 : 653,861.10 = 169,903.40 : x
  2. Step 2: Convert to fraction form
    436,231.40/653,861.10 = 169,903.40/x
  3. Step 3: Cross multiply
    436,231.40x = 653,861.10 × 169,903.40
  4. Step 4: Simplify right side
    436,231.40x = 111,093,224,017.74
  5. Step 5: Solve for x
    x = 111,093,224,017.74/436,231.40
  6. Step 6: Final answer
    x = 254,665.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.