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Finding the Fourth Proportional to 300,267.36, 450,401.76 and 243,839.52

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Solution

The fourth proportional to 300,267.36, 450,401.76 and 243,839.52 is: 365,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,267.36 : 450,401.76 = 243,839.52 : x
  2. Step 2: Convert to fraction form
    300,267.36/450,401.76 = 243,839.52/x
  3. Step 3: Cross multiply
    300,267.36x = 450,401.76 × 243,839.52
  4. Step 4: Simplify right side
    300,267.36x = 109,825,748,965.56
  5. Step 5: Solve for x
    x = 109,825,748,965.56/300,267.36
  6. Step 6: Final answer
    x = 365,759.86

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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.