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Finding the Fourth Proportional to 202,002.40, 303,003.60 and 154,763.20

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Solution

The fourth proportional to 202,002.40, 303,003.60 and 154,763.20 is: 232,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,002.40 : 303,003.60 = 154,763.20 : x
  2. Step 2: Convert to fraction form
    202,002.40/303,003.60 = 154,763.20/x
  3. Step 3: Cross multiply
    202,002.40x = 303,003.60 × 154,763.20
  4. Step 4: Simplify right side
    202,002.40x = 46,893,806,747.52
  5. Step 5: Solve for x
    x = 46,893,806,747.52/202,002.40
  6. Step 6: Final answer
    x = 232,144.80

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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.