Home / 401,083.08-553,442.03-239,879.31

Finding the Fourth Proportional to 401,083.08, 553,442.03 and 239,879.31

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Solution

The fourth proportional to 401,083.08, 553,442.03 and 239,879.31 is: 331,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,083.08 : 553,442.03 = 239,879.31 : x
  2. Step 2: Convert to fraction form
    401,083.08/553,442.03 = 239,879.31/x
  3. Step 3: Cross multiply
    401,083.08x = 553,442.03 × 239,879.31
  4. Step 4: Simplify right side
    401,083.08x = 132,759,291,082.00
  5. Step 5: Solve for x
    x = 132,759,291,082.00/401,083.08
  6. Step 6: Final answer
    x = 331,001.97

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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.