Home / 330,853.60-456,431.53-203,453.92

Finding the Fourth Proportional to 330,853.60, 456,431.53 and 203,453.92

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Solution

The fourth proportional to 330,853.60, 456,431.53 and 203,453.92 is: 280,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,853.60 : 456,431.53 = 203,453.92 : x
  2. Step 2: Convert to fraction form
    330,853.60/456,431.53 = 203,453.92/x
  3. Step 3: Cross multiply
    330,853.60x = 456,431.53 × 203,453.92
  4. Step 4: Simplify right side
    330,853.60x = 92,862,783,990.10
  5. Step 5: Solve for x
    x = 92,862,783,990.10/330,853.60
  6. Step 6: Final answer
    x = 280,676.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.