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Finding the Fourth Proportional to 303,602.23, 454,794.22 and 278,800.03

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Solution

The fourth proportional to 303,602.23, 454,794.22 and 278,800.03 is: 417,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,602.23 : 454,794.22 = 278,800.03 : x
  2. Step 2: Convert to fraction form
    303,602.23/454,794.22 = 278,800.03/x
  3. Step 3: Cross multiply
    303,602.23x = 454,794.22 × 278,800.03
  4. Step 4: Simplify right side
    303,602.23x = 126,796,642,179.83
  5. Step 5: Solve for x
    x = 126,796,642,179.83/303,602.23
  6. Step 6: Final answer
    x = 417,640.68

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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.