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Finding the Fourth Proportional to 383,601.33, 575,235.24 and 109,987.29

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Solution

The fourth proportional to 383,601.33, 575,235.24 and 109,987.29 is: 164,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,601.33 : 575,235.24 = 109,987.29 : x
  2. Step 2: Convert to fraction form
    383,601.33/575,235.24 = 109,987.29/x
  3. Step 3: Cross multiply
    383,601.33x = 575,235.24 × 109,987.29
  4. Step 4: Simplify right side
    383,601.33x = 63,268,565,160.10
  5. Step 5: Solve for x
    x = 63,268,565,160.10/383,601.33
  6. Step 6: Final answer
    x = 164,933.12

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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.