Home / 400,405.11-552,504.42-239,225.91

Finding the Fourth Proportional to 400,405.11, 552,504.42 and 239,225.91

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Solution

The fourth proportional to 400,405.11, 552,504.42 and 239,225.91 is: 330,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,405.11 : 552,504.42 = 239,225.91 : x
  2. Step 2: Convert to fraction form
    400,405.11/552,504.42 = 239,225.91/x
  3. Step 3: Cross multiply
    400,405.11x = 552,504.42 × 239,225.91
  4. Step 4: Simplify right side
    400,405.11x = 132,173,372,653.52
  5. Step 5: Solve for x
    x = 132,173,372,653.52/400,405.11
  6. Step 6: Final answer
    x = 330,099.12

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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.