Home / 227,447.40-313,775.94-131,898.72

Finding the Fourth Proportional to 227,447.40, 313,775.94 and 131,898.72

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Solution

The fourth proportional to 227,447.40, 313,775.94 and 131,898.72 is: 181,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,447.40 : 313,775.94 = 131,898.72 : x
  2. Step 2: Convert to fraction form
    227,447.40/313,775.94 = 131,898.72/x
  3. Step 3: Cross multiply
    227,447.40x = 313,775.94 × 131,898.72
  4. Step 4: Simplify right side
    227,447.40x = 41,386,644,852.80
  5. Step 5: Solve for x
    x = 41,386,644,852.80/227,447.40
  6. Step 6: Final answer
    x = 181,961.39

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1.5x scale

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.