Home / 305,884.07-422,187.53-169,964.74

Finding the Fourth Proportional to 305,884.07, 422,187.53 and 169,964.74

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Solution

The fourth proportional to 305,884.07, 422,187.53 and 169,964.74 is: 234,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,884.07 : 422,187.53 = 169,964.74 : x
  2. Step 2: Convert to fraction form
    305,884.07/422,187.53 = 169,964.74/x
  3. Step 3: Cross multiply
    305,884.07x = 422,187.53 × 169,964.74
  4. Step 4: Simplify right side
    305,884.07x = 71,756,993,767.69
  5. Step 5: Solve for x
    x = 71,756,993,767.69/305,884.07
  6. Step 6: Final answer
    x = 234,588.86

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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.