Home / 226,818.45-312,989.13-131,331.60

Finding the Fourth Proportional to 226,818.45, 312,989.13 and 131,331.60

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Solution

The fourth proportional to 226,818.45, 312,989.13 and 131,331.60 is: 181,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,818.45 : 312,989.13 = 131,331.60 : x
  2. Step 2: Convert to fraction form
    226,818.45/312,989.13 = 131,331.60/x
  3. Step 3: Cross multiply
    226,818.45x = 312,989.13 × 131,331.60
  4. Step 4: Simplify right side
    226,818.45x = 41,105,363,225.51
  5. Step 5: Solve for x
    x = 41,105,363,225.51/226,818.45
  6. Step 6: Final answer
    x = 181,225.84

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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.