Home / 303,964.40-456,076.20-146,111.60

Finding the Fourth Proportional to 303,964.40, 456,076.20 and 146,111.60

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Solution

The fourth proportional to 303,964.40, 456,076.20 and 146,111.60 is: 219,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,964.40 : 456,076.20 = 146,111.60 : x
  2. Step 2: Convert to fraction form
    303,964.40/456,076.20 = 146,111.60/x
  3. Step 3: Cross multiply
    303,964.40x = 456,076.20 × 146,111.60
  4. Step 4: Simplify right side
    303,964.40x = 66,638,023,303.92
  5. Step 5: Solve for x
    x = 66,638,023,303.92/303,964.40
  6. Step 6: Final answer
    x = 219,229.70

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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.