Home / 330,291.24-455,786.66-187,052.31

Finding the Fourth Proportional to 330,291.24, 455,786.66 and 187,052.31

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Solution

The fourth proportional to 330,291.24, 455,786.66 and 187,052.31 is: 258,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,291.24 : 455,786.66 = 187,052.31 : x
  2. Step 2: Convert to fraction form
    330,291.24/455,786.66 = 187,052.31/x
  3. Step 3: Cross multiply
    330,291.24x = 455,786.66 × 187,052.31
  4. Step 4: Simplify right side
    330,291.24x = 85,255,948,394.12
  5. Step 5: Solve for x
    x = 85,255,948,394.12/330,291.24
  6. Step 6: Final answer
    x = 258,123.55

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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.