Home / 383,279.36-575,003.20-113,386.38

Finding the Fourth Proportional to 383,279.36, 575,003.20 and 113,386.38

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Solution

The fourth proportional to 383,279.36, 575,003.20 and 113,386.38 is: 170,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,279.36 : 575,003.20 = 113,386.38 : x
  2. Step 2: Convert to fraction form
    383,279.36/575,003.20 = 113,386.38/x
  3. Step 3: Cross multiply
    383,279.36x = 575,003.20 × 113,386.38
  4. Step 4: Simplify right side
    383,279.36x = 65,197,531,336.42
  5. Step 5: Solve for x
    x = 65,197,531,336.42/383,279.36
  6. Step 6: Final answer
    x = 170,104.47

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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.