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Finding the Fourth Proportional to 333,015.20, 499,231.20 and 199,948.40

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Solution

The fourth proportional to 333,015.20, 499,231.20 and 199,948.40 is: 299,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,015.20 : 499,231.20 = 199,948.40 : x
  2. Step 2: Convert to fraction form
    333,015.20/499,231.20 = 199,948.40/x
  3. Step 3: Cross multiply
    333,015.20x = 499,231.20 × 199,948.40
  4. Step 4: Simplify right side
    333,015.20x = 99,820,479,670.08
  5. Step 5: Solve for x
    x = 99,820,479,670.08/333,015.20
  6. Step 6: Final answer
    x = 299,747.52

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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.