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Finding the Fourth Proportional to 202,202.80, 303,304.20 and 127,407.40

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Solution

The fourth proportional to 202,202.80, 303,304.20 and 127,407.40 is: 191,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,202.80 : 303,304.20 = 127,407.40 : x
  2. Step 2: Convert to fraction form
    202,202.80/303,304.20 = 127,407.40/x
  3. Step 3: Cross multiply
    202,202.80x = 303,304.20 × 127,407.40
  4. Step 4: Simplify right side
    202,202.80x = 38,643,199,531.08
  5. Step 5: Solve for x
    x = 38,643,199,531.08/202,202.80
  6. Step 6: Final answer
    x = 191,111.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.