Home / 276,663.43-381,790.34-169,225.57

Finding the Fourth Proportional to 276,663.43, 381,790.34 and 169,225.57

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Solution

The fourth proportional to 276,663.43, 381,790.34 and 169,225.57 is: 233,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,663.43 : 381,790.34 = 169,225.57 : x
  2. Step 2: Convert to fraction form
    276,663.43/381,790.34 = 169,225.57/x
  3. Step 3: Cross multiply
    276,663.43x = 381,790.34 × 169,225.57
  4. Step 4: Simplify right side
    276,663.43x = 64,608,686,421.11
  5. Step 5: Solve for x
    x = 64,608,686,421.11/276,663.43
  6. Step 6: Final answer
    x = 233,528.11

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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.