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Finding the Fourth Proportional to 203,034.20, 303,968.10 and 124,302.20

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Solution

The fourth proportional to 203,034.20, 303,968.10 and 124,302.20 is: 186,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,034.20 : 303,968.10 = 124,302.20 : x
  2. Step 2: Convert to fraction form
    203,034.20/303,968.10 = 124,302.20/x
  3. Step 3: Cross multiply
    203,034.20x = 303,968.10 × 124,302.20
  4. Step 4: Simplify right side
    203,034.20x = 37,783,903,559.82
  5. Step 5: Solve for x
    x = 37,783,903,559.82/203,034.20
  6. Step 6: Final answer
    x = 186,096.25

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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.