Home / 401,033.07-553,388.83-231,234.39

Finding the Fourth Proportional to 401,033.07, 553,388.83 and 231,234.39

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Solution

The fourth proportional to 401,033.07, 553,388.83 and 231,234.39 is: 319,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,033.07 : 553,388.83 = 231,234.39 : x
  2. Step 2: Convert to fraction form
    401,033.07/553,388.83 = 231,234.39/x
  3. Step 3: Cross multiply
    401,033.07x = 553,388.83 × 231,234.39
  4. Step 4: Simplify right side
    401,033.07x = 127,962,528,537.86
  5. Step 5: Solve for x
    x = 127,962,528,537.86/401,033.07
  6. Step 6: Final answer
    x = 319,082.24

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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.