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Finding the Fourth Proportional to 202,200.60, 303,300.90 and 102,667.80

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Solution

The fourth proportional to 202,200.60, 303,300.90 and 102,667.80 is: 154,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,200.60 : 303,300.90 = 102,667.80 : x
  2. Step 2: Convert to fraction form
    202,200.60/303,300.90 = 102,667.80/x
  3. Step 3: Cross multiply
    202,200.60x = 303,300.90 × 102,667.80
  4. Step 4: Simplify right side
    202,200.60x = 31,139,236,141.02
  5. Step 5: Solve for x
    x = 31,139,236,141.02/202,200.60
  6. Step 6: Final answer
    x = 154,001.70

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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.