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Finding the Fourth Proportional to 202,028.46, 303,305.13 and 155,314.14

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Solution

The fourth proportional to 202,028.46, 303,305.13 and 155,314.14 is: 233,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,028.46 : 303,305.13 = 155,314.14 : x
  2. Step 2: Convert to fraction form
    202,028.46/303,305.13 = 155,314.14/x
  3. Step 3: Cross multiply
    202,028.46x = 303,305.13 × 155,314.14
  4. Step 4: Simplify right side
    202,028.46x = 47,107,575,423.54
  5. Step 5: Solve for x
    x = 47,107,575,423.54/202,028.46
  6. Step 6: Final answer
    x = 233,172.97

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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.