Home / 331,288.74-457,058.39-187,965.77

Finding the Fourth Proportional to 331,288.74, 457,058.39 and 187,965.77

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Solution

The fourth proportional to 331,288.74, 457,058.39 and 187,965.77 is: 259,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,288.74 : 457,058.39 = 187,965.77 : x
  2. Step 2: Convert to fraction form
    331,288.74/457,058.39 = 187,965.77/x
  3. Step 3: Cross multiply
    331,288.74x = 457,058.39 × 187,965.77
  4. Step 4: Simplify right side
    331,288.74x = 85,911,328,986.19
  5. Step 5: Solve for x
    x = 85,911,328,986.19/331,288.74
  6. Step 6: Final answer
    x = 259,324.63

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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.