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Finding the Fourth Proportional to 201,199.80, 301,799.70 and 60,965.40

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Solution

The fourth proportional to 201,199.80, 301,799.70 and 60,965.40 is: 91,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,199.80 : 301,799.70 = 60,965.40 : x
  2. Step 2: Convert to fraction form
    201,199.80/301,799.70 = 60,965.40/x
  3. Step 3: Cross multiply
    201,199.80x = 301,799.70 × 60,965.40
  4. Step 4: Simplify right side
    201,199.80x = 18,399,339,430.38
  5. Step 5: Solve for x
    x = 18,399,339,430.38/201,199.80
  6. Step 6: Final answer
    x = 91,448.10

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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.