Home / 312,868.96-431,767.66-176,923.25

Finding the Fourth Proportional to 312,868.96, 431,767.66 and 176,923.25

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Solution

The fourth proportional to 312,868.96, 431,767.66 and 176,923.25 is: 244,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,868.96 : 431,767.66 = 176,923.25 : x
  2. Step 2: Convert to fraction form
    312,868.96/431,767.66 = 176,923.25/x
  3. Step 3: Cross multiply
    312,868.96x = 431,767.66 × 176,923.25
  4. Step 4: Simplify right side
    312,868.96x = 76,389,735,935.56
  5. Step 5: Solve for x
    x = 76,389,735,935.56/312,868.96
  6. Step 6: Final answer
    x = 244,158.89

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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.