Home / 371,780.24-557,669.21-105,540.94

Finding the Fourth Proportional to 371,780.24, 557,669.21 and 105,540.94

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Solution

The fourth proportional to 371,780.24, 557,669.21 and 105,540.94 is: 158,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,780.24 : 557,669.21 = 105,540.94 : x
  2. Step 2: Convert to fraction form
    371,780.24/557,669.21 = 105,540.94/x
  3. Step 3: Cross multiply
    371,780.24x = 557,669.21 × 105,540.94
  4. Step 4: Simplify right side
    371,780.24x = 58,856,929,844.11
  5. Step 5: Solve for x
    x = 58,856,929,844.11/371,780.24
  6. Step 6: Final answer
    x = 158,311.08

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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.