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Finding the Fourth Proportional to 303,273.32, 454,911.80 and 134,754.03

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Solution

The fourth proportional to 303,273.32, 454,911.80 and 134,754.03 is: 202,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,273.32 : 454,911.80 = 134,754.03 : x
  2. Step 2: Convert to fraction form
    303,273.32/454,911.80 = 134,754.03/x
  3. Step 3: Cross multiply
    303,273.32x = 454,911.80 × 134,754.03
  4. Step 4: Simplify right side
    303,273.32x = 61,301,197,670.78
  5. Step 5: Solve for x
    x = 61,301,197,670.78/303,273.32
  6. Step 6: Final answer
    x = 202,131.85

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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.