Home / 303,610.20-455,415.30-93,258.60

Finding the Fourth Proportional to 303,610.20, 455,415.30 and 93,258.60

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Solution

The fourth proportional to 303,610.20, 455,415.30 and 93,258.60 is: 139,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,610.20 : 455,415.30 = 93,258.60 : x
  2. Step 2: Convert to fraction form
    303,610.20/455,415.30 = 93,258.60/x
  3. Step 3: Cross multiply
    303,610.20x = 455,415.30 × 93,258.60
  4. Step 4: Simplify right side
    303,610.20x = 42,471,393,296.58
  5. Step 5: Solve for x
    x = 42,471,393,296.58/303,610.20
  6. Step 6: Final answer
    x = 139,887.90

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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.