Home / 401,033.57-553,389.52-231,234.89

Finding the Fourth Proportional to 401,033.57, 553,389.52 and 231,234.89

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Solution

The fourth proportional to 401,033.57, 553,389.52 and 231,234.89 is: 319,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,033.57 : 553,389.52 = 231,234.89 : x
  2. Step 2: Convert to fraction form
    401,033.57/553,389.52 = 231,234.89/x
  3. Step 3: Cross multiply
    401,033.57x = 553,389.52 × 231,234.89
  4. Step 4: Simplify right side
    401,033.57x = 127,962,964,784.35
  5. Step 5: Solve for x
    x = 127,962,964,784.35/401,033.57
  6. Step 6: Final answer
    x = 319,082.93

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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.