Home / 307,221.24-460,877.94-85,622.52

Finding the Fourth Proportional to 307,221.24, 460,877.94 and 85,622.52

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Solution

The fourth proportional to 307,221.24, 460,877.94 and 85,622.52 is: 128,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,221.24 : 460,877.94 = 85,622.52 : x
  2. Step 2: Convert to fraction form
    307,221.24/460,877.94 = 85,622.52/x
  3. Step 3: Cross multiply
    307,221.24x = 460,877.94 × 85,622.52
  4. Step 4: Simplify right side
    307,221.24x = 39,461,530,635.21
  5. Step 5: Solve for x
    x = 39,461,530,635.21/307,221.24
  6. Step 6: Final answer
    x = 128,446.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.