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Finding the Fourth Proportional to 202,008.40, 303,012.60 and 154,769.20

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Solution

The fourth proportional to 202,008.40, 303,012.60 and 154,769.20 is: 232,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,008.40 : 303,012.60 = 154,769.20 : x
  2. Step 2: Convert to fraction form
    202,008.40/303,012.60 = 154,769.20/x
  3. Step 3: Cross multiply
    202,008.40x = 303,012.60 × 154,769.20
  4. Step 4: Simplify right side
    202,008.40x = 46,897,017,691.92
  5. Step 5: Solve for x
    x = 46,897,017,691.92/202,008.40
  6. Step 6: Final answer
    x = 232,153.80

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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.