Home / 383,857.13-575,764.92-117,618.43

Finding the Fourth Proportional to 383,857.13, 575,764.92 and 117,618.43

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Solution

The fourth proportional to 383,857.13, 575,764.92 and 117,618.43 is: 176,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,857.13 : 575,764.92 = 117,618.43 : x
  2. Step 2: Convert to fraction form
    383,857.13/575,764.92 = 117,618.43/x
  3. Step 3: Cross multiply
    383,857.13x = 575,764.92 × 117,618.43
  4. Step 4: Simplify right side
    383,857.13x = 67,720,565,939.48
  5. Step 5: Solve for x
    x = 67,720,565,939.48/383,857.13
  6. Step 6: Final answer
    x = 176,421.28

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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.