Home / 395,729.12-593,598.24-143,028.80

Finding the Fourth Proportional to 395,729.12, 593,598.24 and 143,028.80

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Solution

The fourth proportional to 395,729.12, 593,598.24 and 143,028.80 is: 214,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,729.12 : 593,598.24 = 143,028.80 : x
  2. Step 2: Convert to fraction form
    395,729.12/593,598.24 = 143,028.80/x
  3. Step 3: Cross multiply
    395,729.12x = 593,598.24 × 143,028.80
  4. Step 4: Simplify right side
    395,729.12x = 84,901,643,949.31
  5. Step 5: Solve for x
    x = 84,901,643,949.31/395,729.12
  6. Step 6: Final answer
    x = 214,544.85

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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.