Home / 401,125.21-553,557.04-219,833.16

Finding the Fourth Proportional to 401,125.21, 553,557.04 and 219,833.16

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Solution

The fourth proportional to 401,125.21, 553,557.04 and 219,833.16 is: 303,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,125.21 : 553,557.04 = 219,833.16 : x
  2. Step 2: Convert to fraction form
    401,125.21/553,557.04 = 219,833.16/x
  3. Step 3: Cross multiply
    401,125.21x = 553,557.04 × 219,833.16
  4. Step 4: Simplify right side
    401,125.21x = 121,690,195,388.66
  5. Step 5: Solve for x
    x = 121,690,195,388.66/401,125.21
  6. Step 6: Final answer
    x = 303,372.09

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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.