Home / 307,263.15-423,782.73-199,867.46

Finding the Fourth Proportional to 307,263.15, 423,782.73 and 199,867.46

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Solution

The fourth proportional to 307,263.15, 423,782.73 and 199,867.46 is: 275,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,263.15 : 423,782.73 = 199,867.46 : x
  2. Step 2: Convert to fraction form
    307,263.15/423,782.73 = 199,867.46/x
  3. Step 3: Cross multiply
    307,263.15x = 423,782.73 × 199,867.46
  4. Step 4: Simplify right side
    307,263.15x = 84,700,375,718.05
  5. Step 5: Solve for x
    x = 84,700,375,718.05/307,263.15
  6. Step 6: Final answer
    x = 275,660.70

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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.