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Finding the Fourth Proportional to 202,300.48, 303,204.48 and 143,153.20

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Solution

The fourth proportional to 202,300.48, 303,204.48 and 143,153.20 is: 214,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,300.48 : 303,204.48 = 143,153.20 : x
  2. Step 2: Convert to fraction form
    202,300.48/303,204.48 = 143,153.20/x
  3. Step 3: Cross multiply
    202,300.48x = 303,204.48 × 143,153.20
  4. Step 4: Simplify right side
    202,300.48x = 43,404,691,566.34
  5. Step 5: Solve for x
    x = 43,404,691,566.34/202,300.48
  6. Step 6: Final answer
    x = 214,555.55

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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.