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Finding the Fourth Proportional to 303,491.60, 454,200.60 and 266,166.80

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Solution

The fourth proportional to 303,491.60, 454,200.60 and 266,166.80 is: 398,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,491.60 : 454,200.60 = 266,166.80 : x
  2. Step 2: Convert to fraction form
    303,491.60/454,200.60 = 266,166.80/x
  3. Step 3: Cross multiply
    303,491.60x = 454,200.60 × 266,166.80
  4. Step 4: Simplify right side
    303,491.60x = 120,893,120,260.08
  5. Step 5: Solve for x
    x = 120,893,120,260.08/303,491.60
  6. Step 6: Final answer
    x = 398,340.91

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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.