Home / 312,194.24-468,004.31-112,465.78

Finding the Fourth Proportional to 312,194.24, 468,004.31 and 112,465.78

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Solution

The fourth proportional to 312,194.24, 468,004.31 and 112,465.78 is: 168,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,194.24 : 468,004.31 = 112,465.78 : x
  2. Step 2: Convert to fraction form
    312,194.24/468,004.31 = 112,465.78/x
  3. Step 3: Cross multiply
    312,194.24x = 468,004.31 × 112,465.78
  4. Step 4: Simplify right side
    312,194.24x = 52,634,469,767.51
  5. Step 5: Solve for x
    x = 52,634,469,767.51/312,194.24
  6. Step 6: Final answer
    x = 168,595.26

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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.