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Finding the Fourth Proportional to 202,262.40, 303,147.60 and 143,115.12

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Solution

The fourth proportional to 202,262.40, 303,147.60 and 143,115.12 is: 214,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,262.40 : 303,147.60 = 143,115.12 : x
  2. Step 2: Convert to fraction form
    202,262.40/303,147.60 = 143,115.12/x
  3. Step 3: Cross multiply
    202,262.40x = 303,147.60 × 143,115.12
  4. Step 4: Simplify right side
    202,262.40x = 43,385,005,151.71
  5. Step 5: Solve for x
    x = 43,385,005,151.71/202,262.40
  6. Step 6: Final answer
    x = 214,498.62

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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.