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Finding the Fourth Proportional to 303,302.20, 454,953.30 and 214,728.70

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Solution

The fourth proportional to 303,302.20, 454,953.30 and 214,728.70 is: 322,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,302.20 : 454,953.30 = 214,728.70 : x
  2. Step 2: Convert to fraction form
    303,302.20/454,953.30 = 214,728.70/x
  3. Step 3: Cross multiply
    303,302.20x = 454,953.30 × 214,728.70
  4. Step 4: Simplify right side
    303,302.20x = 97,691,530,669.71
  5. Step 5: Solve for x
    x = 97,691,530,669.71/303,302.20
  6. Step 6: Final answer
    x = 322,093.05

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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.