Home / 330,799.68-456,513.12-203,549.76

Finding the Fourth Proportional to 330,799.68, 456,513.12 and 203,549.76

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Solution

The fourth proportional to 330,799.68, 456,513.12 and 203,549.76 is: 280,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,799.68 : 456,513.12 = 203,549.76 : x
  2. Step 2: Convert to fraction form
    330,799.68/456,513.12 = 203,549.76/x
  3. Step 3: Cross multiply
    330,799.68x = 456,513.12 × 203,549.76
  4. Step 4: Simplify right side
    330,799.68x = 92,923,136,012.85
  5. Step 5: Solve for x
    x = 92,923,136,012.85/330,799.68
  6. Step 6: Final answer
    x = 280,904.55

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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.