Home / 401,222.97-553,704.66-229,169.25

Finding the Fourth Proportional to 401,222.97, 553,704.66 and 229,169.25

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Solution

The fourth proportional to 401,222.97, 553,704.66 and 229,169.25 is: 316,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,222.97 : 553,704.66 = 229,169.25 : x
  2. Step 2: Convert to fraction form
    401,222.97/553,704.66 = 229,169.25/x
  3. Step 3: Cross multiply
    401,222.97x = 553,704.66 × 229,169.25
  4. Step 4: Simplify right side
    401,222.97x = 126,892,081,653.71
  5. Step 5: Solve for x
    x = 126,892,081,653.71/401,222.97
  6. Step 6: Final answer
    x = 316,263.25

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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.