Home / 331,479.40-497,652.72-196,789.36

Finding the Fourth Proportional to 331,479.40, 497,652.72 and 196,789.36

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Solution

The fourth proportional to 331,479.40, 497,652.72 and 196,789.36 is: 295,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,479.40 : 497,652.72 = 196,789.36 : x
  2. Step 2: Convert to fraction form
    331,479.40/497,652.72 = 196,789.36/x
  3. Step 3: Cross multiply
    331,479.40x = 497,652.72 × 196,789.36
  4. Step 4: Simplify right side
    331,479.40x = 97,932,760,271.06
  5. Step 5: Solve for x
    x = 97,932,760,271.06/331,479.40
  6. Step 6: Final answer
    x = 295,441.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.