Home / 226,420.88-312,464.06-124,455.78

Finding the Fourth Proportional to 226,420.88, 312,464.06 and 124,455.78

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Solution

The fourth proportional to 226,420.88, 312,464.06 and 124,455.78 is: 171,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,420.88 : 312,464.06 = 124,455.78 : x
  2. Step 2: Convert to fraction form
    226,420.88/312,464.06 = 124,455.78/x
  3. Step 3: Cross multiply
    226,420.88x = 312,464.06 × 124,455.78
  4. Step 4: Simplify right side
    226,420.88x = 38,887,958,309.27
  5. Step 5: Solve for x
    x = 38,887,958,309.27/226,420.88
  6. Step 6: Final answer
    x = 171,750.76

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1.5x scale

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.