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Finding the Fourth Proportional to 201,150.10, 301,919.55 and 101,422.90

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Solution

The fourth proportional to 201,150.10, 301,919.55 and 101,422.90 is: 152,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,150.10 : 301,919.55 = 101,422.90 : x
  2. Step 2: Convert to fraction form
    201,150.10/301,919.55 = 101,422.90/x
  3. Step 3: Cross multiply
    201,150.10x = 301,919.55 × 101,422.90
  4. Step 4: Simplify right side
    201,150.10x = 30,621,556,327.70
  5. Step 5: Solve for x
    x = 30,621,556,327.70/201,150.10
  6. Step 6: Final answer
    x = 152,232.37

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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.