Home / 401,026.32-553,379.52-231,227.64

Finding the Fourth Proportional to 401,026.32, 553,379.52 and 231,227.64

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Solution

The fourth proportional to 401,026.32, 553,379.52 and 231,227.64 is: 319,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,026.32 : 553,379.52 = 231,227.64 : x
  2. Step 2: Convert to fraction form
    401,026.32/553,379.52 = 231,227.64/x
  3. Step 3: Cross multiply
    401,026.32x = 553,379.52 × 231,227.64
  4. Step 4: Simplify right side
    401,026.32x = 127,956,640,433.93
  5. Step 5: Solve for x
    x = 127,956,640,433.93/401,026.32
  6. Step 6: Final answer
    x = 319,072.92

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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.