Home / 403,845.90-605,250.45-245,906.70

Finding the Fourth Proportional to 403,845.90, 605,250.45 and 245,906.70

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Solution

The fourth proportional to 403,845.90, 605,250.45 and 245,906.70 is: 368,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,845.90 : 605,250.45 = 245,906.70 : x
  2. Step 2: Convert to fraction form
    403,845.90/605,250.45 = 245,906.70/x
  3. Step 3: Cross multiply
    403,845.90x = 605,250.45 × 245,906.70
  4. Step 4: Simplify right side
    403,845.90x = 148,835,140,833.02
  5. Step 5: Solve for x
    x = 148,835,140,833.02/403,845.90
  6. Step 6: Final answer
    x = 368,544.39

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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.