Home / 345,066.12-517,993.02-231,298.56

Finding the Fourth Proportional to 345,066.12, 517,993.02 and 231,298.56

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Solution

The fourth proportional to 345,066.12, 517,993.02 and 231,298.56 is: 347,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,066.12 : 517,993.02 = 231,298.56 : x
  2. Step 2: Convert to fraction form
    345,066.12/517,993.02 = 231,298.56/x
  3. Step 3: Cross multiply
    345,066.12x = 517,993.02 × 231,298.56
  4. Step 4: Simplify right side
    345,066.12x = 119,811,039,616.05
  5. Step 5: Solve for x
    x = 119,811,039,616.05/345,066.12
  6. Step 6: Final answer
    x = 347,211.83

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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.