Home / 307,786.30-460,629.15-257,922.70

Finding the Fourth Proportional to 307,786.30, 460,629.15 and 257,922.70

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Solution

The fourth proportional to 307,786.30, 460,629.15 and 257,922.70 is: 386,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,786.30 : 460,629.15 = 257,922.70 : x
  2. Step 2: Convert to fraction form
    307,786.30/460,629.15 = 257,922.70/x
  3. Step 3: Cross multiply
    307,786.30x = 460,629.15 × 257,922.70
  4. Step 4: Simplify right side
    307,786.30x = 118,806,714,066.71
  5. Step 5: Solve for x
    x = 118,806,714,066.71/307,786.30
  6. Step 6: Final answer
    x = 386,003.91

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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.