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Finding the Fourth Proportional to 202,852.40, 303,695.40 and 181,857.20

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Solution

The fourth proportional to 202,852.40, 303,695.40 and 181,857.20 is: 272,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,852.40 : 303,695.40 = 181,857.20 : x
  2. Step 2: Convert to fraction form
    202,852.40/303,695.40 = 181,857.20/x
  3. Step 3: Cross multiply
    202,852.40x = 303,695.40 × 181,857.20
  4. Step 4: Simplify right side
    202,852.40x = 55,229,195,096.88
  5. Step 5: Solve for x
    x = 55,229,195,096.88/202,852.40
  6. Step 6: Final answer
    x = 272,262.96

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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.