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Finding the Fourth Proportional to 202,116.60, 303,174.90 and 192,275.10

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Solution

The fourth proportional to 202,116.60, 303,174.90 and 192,275.10 is: 288,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,116.60 : 303,174.90 = 192,275.10 : x
  2. Step 2: Convert to fraction form
    202,116.60/303,174.90 = 192,275.10/x
  3. Step 3: Cross multiply
    202,116.60x = 303,174.90 × 192,275.10
  4. Step 4: Simplify right side
    202,116.60x = 58,292,984,214.99
  5. Step 5: Solve for x
    x = 58,292,984,214.99/202,116.60
  6. Step 6: Final answer
    x = 288,412.65

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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.