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Finding the Fourth Proportional to 202,875.20, 303,621.60 and 202,875.20

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Solution

The fourth proportional to 202,875.20, 303,621.60 and 202,875.20 is: 303,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,875.20 : 303,621.60 = 202,875.20 : x
  2. Step 2: Convert to fraction form
    202,875.20/303,621.60 = 202,875.20/x
  3. Step 3: Cross multiply
    202,875.20x = 303,621.60 × 202,875.20
  4. Step 4: Simplify right side
    202,875.20x = 61,597,292,824.32
  5. Step 5: Solve for x
    x = 61,597,292,824.32/202,875.20
  6. Step 6: Final answer
    x = 303,621.60

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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.