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Finding the Fourth Proportional to 202,637.60, 303,973.68 and 52,897.76

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Solution

The fourth proportional to 202,637.60, 303,973.68 and 52,897.76 is: 79,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,637.60 : 303,973.68 = 52,897.76 : x
  2. Step 2: Convert to fraction form
    202,637.60/303,973.68 = 52,897.76/x
  3. Step 3: Cross multiply
    202,637.60x = 303,973.68 × 52,897.76
  4. Step 4: Simplify right side
    202,637.60x = 16,079,526,770.96
  5. Step 5: Solve for x
    x = 16,079,526,770.96/202,637.60
  6. Step 6: Final answer
    x = 79,351.15

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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.