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Finding the Fourth Proportional to 234,405.96, 323,457.02 and 131,020.80

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Solution

The fourth proportional to 234,405.96, 323,457.02 and 131,020.80 is: 180,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,405.96 : 323,457.02 = 131,020.80 : x
  2. Step 2: Convert to fraction form
    234,405.96/323,457.02 = 131,020.80/x
  3. Step 3: Cross multiply
    234,405.96x = 323,457.02 × 131,020.80
  4. Step 4: Simplify right side
    234,405.96x = 42,379,597,526.02
  5. Step 5: Solve for x
    x = 42,379,597,526.02/234,405.96
  6. Step 6: Final answer
    x = 180,795.73

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1.5x scale

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.