Home / 383,579.52-529,092.72-254,515.20

Finding the Fourth Proportional to 383,579.52, 529,092.72 and 254,515.20

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Solution

The fourth proportional to 383,579.52, 529,092.72 and 254,515.20 is: 351,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,579.52 : 529,092.72 = 254,515.20 : x
  2. Step 2: Convert to fraction form
    383,579.52/529,092.72 = 254,515.20/x
  3. Step 3: Cross multiply
    383,579.52x = 529,092.72 × 254,515.20
  4. Step 4: Simplify right side
    383,579.52x = 134,662,139,449.34
  5. Step 5: Solve for x
    x = 134,662,139,449.34/383,579.52
  6. Step 6: Final answer
    x = 351,067.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.