Home / 330,844.59-456,419.12-203,444.91

Finding the Fourth Proportional to 330,844.59, 456,419.12 and 203,444.91

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Solution

The fourth proportional to 330,844.59, 456,419.12 and 203,444.91 is: 280,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,844.59 : 456,419.12 = 203,444.91 : x
  2. Step 2: Convert to fraction form
    330,844.59/456,419.12 = 203,444.91/x
  3. Step 3: Cross multiply
    330,844.59x = 456,419.12 × 203,444.91
  4. Step 4: Simplify right side
    330,844.59x = 92,856,145,773.45
  5. Step 5: Solve for x
    x = 92,856,145,773.45/330,844.59
  6. Step 6: Final answer
    x = 280,663.94

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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.