Home / 312,538.20-468,512.03-283,899.44

Finding the Fourth Proportional to 312,538.20, 468,512.03 and 283,899.44

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Solution

The fourth proportional to 312,538.20, 468,512.03 and 283,899.44 is: 425,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,538.20 : 468,512.03 = 283,899.44 : x
  2. Step 2: Convert to fraction form
    312,538.20/468,512.03 = 283,899.44/x
  3. Step 3: Cross multiply
    312,538.20x = 468,512.03 × 283,899.44
  4. Step 4: Simplify right side
    312,538.20x = 133,010,301,317.45
  5. Step 5: Solve for x
    x = 133,010,301,317.45/312,538.20
  6. Step 6: Final answer
    x = 425,580.94

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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.