Home / 227,818.29-314,406.48-131,051.78

Finding the Fourth Proportional to 227,818.29, 314,406.48 and 131,051.78

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Solution

The fourth proportional to 227,818.29, 314,406.48 and 131,051.78 is: 180,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,818.29 : 314,406.48 = 131,051.78 : x
  2. Step 2: Convert to fraction form
    227,818.29/314,406.48 = 131,051.78/x
  3. Step 3: Cross multiply
    227,818.29x = 314,406.48 × 131,051.78
  4. Step 4: Simplify right side
    227,818.29x = 41,203,527,275.50
  5. Step 5: Solve for x
    x = 41,203,527,275.50/227,818.29
  6. Step 6: Final answer
    x = 180,861.37

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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.