Home / 225,298.24-310,911.66-123,324.22

Finding the Fourth Proportional to 225,298.24, 310,911.66 and 123,324.22

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Solution

The fourth proportional to 225,298.24, 310,911.66 and 123,324.22 is: 170,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,298.24 : 310,911.66 = 123,324.22 : x
  2. Step 2: Convert to fraction form
    225,298.24/310,911.66 = 123,324.22/x
  3. Step 3: Cross multiply
    225,298.24x = 310,911.66 × 123,324.22
  4. Step 4: Simplify right side
    225,298.24x = 38,342,937,958.41
  5. Step 5: Solve for x
    x = 38,342,937,958.41/225,298.24
  6. Step 6: Final answer
    x = 170,187.47

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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.