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Finding the Fourth Proportional to 202,243.60, 303,365.40 and 187,037.20

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Solution

The fourth proportional to 202,243.60, 303,365.40 and 187,037.20 is: 280,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,243.60 : 303,365.40 = 187,037.20 : x
  2. Step 2: Convert to fraction form
    202,243.60/303,365.40 = 187,037.20/x
  3. Step 3: Cross multiply
    202,243.60x = 303,365.40 × 187,037.20
  4. Step 4: Simplify right side
    202,243.60x = 56,740,614,992.88
  5. Step 5: Solve for x
    x = 56,740,614,992.88/202,243.60
  6. Step 6: Final answer
    x = 280,555.80

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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.