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Finding the Fourth Proportional to 200,101.80, 300,808.80 and 141,344.40

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Solution

The fourth proportional to 200,101.80, 300,808.80 and 141,344.40 is: 212,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,101.80 : 300,808.80 = 141,344.40 : x
  2. Step 2: Convert to fraction form
    200,101.80/300,808.80 = 141,344.40/x
  3. Step 3: Cross multiply
    200,101.80x = 300,808.80 × 141,344.40
  4. Step 4: Simplify right side
    200,101.80x = 42,517,639,350.72
  5. Step 5: Solve for x
    x = 42,517,639,350.72/200,101.80
  6. Step 6: Final answer
    x = 212,480.04

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1.5x scale

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.