Home / 330,290.33-455,785.42-187,051.41

Finding the Fourth Proportional to 330,290.33, 455,785.42 and 187,051.41

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Solution

The fourth proportional to 330,290.33, 455,785.42 and 187,051.41 is: 258,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,290.33 : 455,785.42 = 187,051.41 : x
  2. Step 2: Convert to fraction form
    330,290.33/455,785.42 = 187,051.41/x
  3. Step 3: Cross multiply
    330,290.33x = 455,785.42 × 187,051.41
  4. Step 4: Simplify right side
    330,290.33x = 85,255,305,000.81
  5. Step 5: Solve for x
    x = 85,255,305,000.81/330,290.33
  6. Step 6: Final answer
    x = 258,122.32

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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.