Home / 374,371.13-516,738.22-221,462.51

Finding the Fourth Proportional to 374,371.13, 516,738.22 and 221,462.51

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Solution

The fourth proportional to 374,371.13, 516,738.22 and 221,462.51 is: 305,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,371.13 : 516,738.22 = 221,462.51 : x
  2. Step 2: Convert to fraction form
    374,371.13/516,738.22 = 221,462.51/x
  3. Step 3: Cross multiply
    374,371.13x = 516,738.22 × 221,462.51
  4. Step 4: Simplify right side
    374,371.13x = 114,438,140,076.79
  5. Step 5: Solve for x
    x = 114,438,140,076.79/374,371.13
  6. Step 6: Final answer
    x = 305,680.99

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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.