Home / 275,981.34-413,971.20-76,301.22

Finding the Fourth Proportional to 275,981.34, 413,971.20 and 76,301.22

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Solution

The fourth proportional to 275,981.34, 413,971.20 and 76,301.22 is: 114,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,981.34 : 413,971.20 = 76,301.22 : x
  2. Step 2: Convert to fraction form
    275,981.34/413,971.20 = 76,301.22/x
  3. Step 3: Cross multiply
    275,981.34x = 413,971.20 × 76,301.22
  4. Step 4: Simplify right side
    275,981.34x = 31,586,507,604.86
  5. Step 5: Solve for x
    x = 31,586,507,604.86/275,981.34
  6. Step 6: Final answer
    x = 114,451.61

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1.5x scale

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.