Home / 361,224.36-498,733.20-225,465.12

Finding the Fourth Proportional to 361,224.36, 498,733.20 and 225,465.12

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Solution

The fourth proportional to 361,224.36, 498,733.20 and 225,465.12 is: 311,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,224.36 : 498,733.20 = 225,465.12 : x
  2. Step 2: Convert to fraction form
    361,224.36/498,733.20 = 225,465.12/x
  3. Step 3: Cross multiply
    361,224.36x = 498,733.20 × 225,465.12
  4. Step 4: Simplify right side
    361,224.36x = 112,446,940,785.98
  5. Step 5: Solve for x
    x = 112,446,940,785.98/361,224.36
  6. Step 6: Final answer
    x = 311,293.90

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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.