Home / 628,847.40-943,198.20-179,637.60

Finding the Fourth Proportional to 628,847.40, 943,198.20 and 179,637.60

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Solution

The fourth proportional to 628,847.40, 943,198.20 and 179,637.60 is: 269,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,847.40 : 943,198.20 = 179,637.60 : x
  2. Step 2: Convert to fraction form
    628,847.40/943,198.20 = 179,637.60/x
  3. Step 3: Cross multiply
    628,847.40x = 943,198.20 × 179,637.60
  4. Step 4: Simplify right side
    628,847.40x = 169,433,860,972.32
  5. Step 5: Solve for x
    x = 169,433,860,972.32/628,847.40
  6. Step 6: Final answer
    x = 269,435.58

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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.