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Finding the Fourth Proportional to 401,054.04, 553,401.90 and 239,850.27

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Solution

The fourth proportional to 401,054.04, 553,401.90 and 239,850.27 is: 330,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,054.04 : 553,401.90 = 239,850.27 : x
  2. Step 2: Convert to fraction form
    401,054.04/553,401.90 = 239,850.27/x
  3. Step 3: Cross multiply
    401,054.04x = 553,401.90 × 239,850.27
  4. Step 4: Simplify right side
    401,054.04x = 132,733,595,133.51
  5. Step 5: Solve for x
    x = 132,733,595,133.51/401,054.04
  6. Step 6: Final answer
    x = 330,961.87

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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.