Home / 280,974.96-387,771.30-167,795.28

Finding the Fourth Proportional to 280,974.96, 387,771.30 and 167,795.28

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Solution

The fourth proportional to 280,974.96, 387,771.30 and 167,795.28 is: 231,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,974.96 : 387,771.30 = 167,795.28 : x
  2. Step 2: Convert to fraction form
    280,974.96/387,771.30 = 167,795.28/x
  3. Step 3: Cross multiply
    280,974.96x = 387,771.30 × 167,795.28
  4. Step 4: Simplify right side
    280,974.96x = 65,066,193,859.46
  5. Step 5: Solve for x
    x = 65,066,193,859.46/280,974.96
  6. Step 6: Final answer
    x = 231,572.93

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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.