Home / 383,280.36-575,004.70-113,387.38

Finding the Fourth Proportional to 383,280.36, 575,004.70 and 113,387.38

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Solution

The fourth proportional to 383,280.36, 575,004.70 and 113,387.38 is: 170,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,280.36 : 575,004.70 = 113,387.38 : x
  2. Step 2: Convert to fraction form
    383,280.36/575,004.70 = 113,387.38/x
  3. Step 3: Cross multiply
    383,280.36x = 575,004.70 × 113,387.38
  4. Step 4: Simplify right side
    383,280.36x = 65,198,276,420.69
  5. Step 5: Solve for x
    x = 65,198,276,420.69/383,280.36
  6. Step 6: Final answer
    x = 170,105.97

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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.