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Finding the Fourth Proportional to 303,264.15, 454,890 and 134,738.79

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Solution

The fourth proportional to 303,264.15, 454,890 and 134,738.79 is: 202,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,264.15 : 454,890 = 134,738.79 : x
  2. Step 2: Convert to fraction form
    303,264.15/454,890 = 134,738.79/x
  3. Step 3: Cross multiply
    303,264.15x = 454,890 × 134,738.79
  4. Step 4: Simplify right side
    303,264.15x = 61,291,328,183.10
  5. Step 5: Solve for x
    x = 61,291,328,183.10/303,264.15
  6. Step 6: Final answer
    x = 202,105.42

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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.