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Finding the Fourth Proportional to 303,206.30, 454,809.45 and 185,108.30

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Solution

The fourth proportional to 303,206.30, 454,809.45 and 185,108.30 is: 277,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,206.30 : 454,809.45 = 185,108.30 : x
  2. Step 2: Convert to fraction form
    303,206.30/454,809.45 = 185,108.30/x
  3. Step 3: Cross multiply
    303,206.30x = 454,809.45 × 185,108.30
  4. Step 4: Simplify right side
    303,206.30x = 84,189,004,113.44
  5. Step 5: Solve for x
    x = 84,189,004,113.44/303,206.30
  6. Step 6: Final answer
    x = 277,662.45

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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.