Home / 311,722.92-430,151.76-175,790.52

Finding the Fourth Proportional to 311,722.92, 430,151.76 and 175,790.52

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Solution

The fourth proportional to 311,722.92, 430,151.76 and 175,790.52 is: 242,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,722.92 : 430,151.76 = 175,790.52 : x
  2. Step 2: Convert to fraction form
    311,722.92/430,151.76 = 175,790.52/x
  3. Step 3: Cross multiply
    311,722.92x = 430,151.76 × 175,790.52
  4. Step 4: Simplify right side
    311,722.92x = 75,616,601,569.32
  5. Step 5: Solve for x
    x = 75,616,601,569.32/311,722.92
  6. Step 6: Final answer
    x = 242,576.33

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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.