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Finding the Fourth Proportional to 303,254.15, 454,875 and 134,728.79

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Solution

The fourth proportional to 303,254.15, 454,875 and 134,728.79 is: 202,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,254.15 : 454,875 = 134,728.79 : x
  2. Step 2: Convert to fraction form
    303,254.15/454,875 = 134,728.79/x
  3. Step 3: Cross multiply
    303,254.15x = 454,875 × 134,728.79
  4. Step 4: Simplify right side
    303,254.15x = 61,284,758,351.25
  5. Step 5: Solve for x
    x = 61,284,758,351.25/303,254.15
  6. Step 6: Final answer
    x = 202,090.42

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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.