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Finding the Fourth Proportional to 203,030.60, 303,681.90 and 182,121.80

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Solution

The fourth proportional to 203,030.60, 303,681.90 and 182,121.80 is: 272,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,030.60 : 303,681.90 = 182,121.80 : x
  2. Step 2: Convert to fraction form
    203,030.60/303,681.90 = 182,121.80/x
  3. Step 3: Cross multiply
    203,030.60x = 303,681.90 × 182,121.80
  4. Step 4: Simplify right side
    203,030.60x = 55,307,094,255.42
  5. Step 5: Solve for x
    x = 55,307,094,255.42/203,030.60
  6. Step 6: Final answer
    x = 272,407.68

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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.