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Finding the Fourth Proportional to 303,199.36, 418,530.40 and 227,966.40

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Solution

The fourth proportional to 303,199.36, 418,530.40 and 227,966.40 is: 314,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,199.36 : 418,530.40 = 227,966.40 : x
  2. Step 2: Convert to fraction form
    303,199.36/418,530.40 = 227,966.40/x
  3. Step 3: Cross multiply
    303,199.36x = 418,530.40 × 227,966.40
  4. Step 4: Simplify right side
    303,199.36x = 95,410,868,578.56
  5. Step 5: Solve for x
    x = 95,410,868,578.56/303,199.36
  6. Step 6: Final answer
    x = 314,680.31

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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.