Home / 330,849.40-496,274.10-204,590.20

Finding the Fourth Proportional to 330,849.40, 496,274.10 and 204,590.20

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Solution

The fourth proportional to 330,849.40, 496,274.10 and 204,590.20 is: 306,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,849.40 : 496,274.10 = 204,590.20 : x
  2. Step 2: Convert to fraction form
    330,849.40/496,274.10 = 204,590.20/x
  3. Step 3: Cross multiply
    330,849.40x = 496,274.10 × 204,590.20
  4. Step 4: Simplify right side
    330,849.40x = 101,532,817,373.82
  5. Step 5: Solve for x
    x = 101,532,817,373.82/330,849.40
  6. Step 6: Final answer
    x = 306,885.30

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1.5x scale

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.