Home / 344,218.77-516,150-154,515.79

Finding the Fourth Proportional to 344,218.77, 516,150 and 154,515.79

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Solution

The fourth proportional to 344,218.77, 516,150 and 154,515.79 is: 231,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,218.77 : 516,150 = 154,515.79 : x
  2. Step 2: Convert to fraction form
    344,218.77/516,150 = 154,515.79/x
  3. Step 3: Cross multiply
    344,218.77x = 516,150 × 154,515.79
  4. Step 4: Simplify right side
    344,218.77x = 79,753,325,008.50
  5. Step 5: Solve for x
    x = 79,753,325,008.50/344,218.77
  6. Step 6: Final answer
    x = 231,693.71

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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.