Home / 401,258.46-553,776.27-229,202.13

Finding the Fourth Proportional to 401,258.46, 553,776.27 and 229,202.13

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Solution

The fourth proportional to 401,258.46, 553,776.27 and 229,202.13 is: 316,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,258.46 : 553,776.27 = 229,202.13 : x
  2. Step 2: Convert to fraction form
    401,258.46/553,776.27 = 229,202.13/x
  3. Step 3: Cross multiply
    401,258.46x = 553,776.27 × 229,202.13
  4. Step 4: Simplify right side
    401,258.46x = 126,926,700,627.46
  5. Step 5: Solve for x
    x = 126,926,700,627.46/401,258.46
  6. Step 6: Final answer
    x = 316,321.56

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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.