Home / 240,190.55-331,457.18-131,290

Finding the Fourth Proportional to 240,190.55, 331,457.18 and 131,290

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Solution

The fourth proportional to 240,190.55, 331,457.18 and 131,290 is: 181,177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,190.55 : 331,457.18 = 131,290 : x
  2. Step 2: Convert to fraction form
    240,190.55/331,457.18 = 131,290/x
  3. Step 3: Cross multiply
    240,190.55x = 331,457.18 × 131,290
  4. Step 4: Simplify right side
    240,190.55x = 43,517,013,162.20
  5. Step 5: Solve for x
    x = 43,517,013,162.20/240,190.55
  6. Step 6: Final answer
    x = 181,177.04

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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.