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Finding the Fourth Proportional to 226,647.10, 339,970.65 and 202,152.70

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Solution

The fourth proportional to 226,647.10, 339,970.65 and 202,152.70 is: 303,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,647.10 : 339,970.65 = 202,152.70 : x
  2. Step 2: Convert to fraction form
    226,647.10/339,970.65 = 202,152.70/x
  3. Step 3: Cross multiply
    226,647.10x = 339,970.65 × 202,152.70
  4. Step 4: Simplify right side
    226,647.10x = 68,725,984,818.26
  5. Step 5: Solve for x
    x = 68,725,984,818.26/226,647.10
  6. Step 6: Final answer
    x = 303,229.05

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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.