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Finding the Fourth Proportional to 217,455.30, 300,200.99 and 168,948.45

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Solution

The fourth proportional to 217,455.30, 300,200.99 and 168,948.45 is: 233,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,455.30 : 300,200.99 = 168,948.45 : x
  2. Step 2: Convert to fraction form
    217,455.30/300,200.99 = 168,948.45/x
  3. Step 3: Cross multiply
    217,455.30x = 300,200.99 × 168,948.45
  4. Step 4: Simplify right side
    217,455.30x = 50,718,491,104.22
  5. Step 5: Solve for x
    x = 50,718,491,104.22/217,455.30
  6. Step 6: Final answer
    x = 233,236.40

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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.