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Finding the Fourth Proportional to 201,164.10, 301,782.60 and 101,072.40

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Solution

The fourth proportional to 201,164.10, 301,782.60 and 101,072.40 is: 151,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,164.10 : 301,782.60 = 101,072.40 : x
  2. Step 2: Convert to fraction form
    201,164.10/301,782.60 = 101,072.40/x
  3. Step 3: Cross multiply
    201,164.10x = 301,782.60 × 101,072.40
  4. Step 4: Simplify right side
    201,164.10x = 30,501,891,660.24
  5. Step 5: Solve for x
    x = 30,501,891,660.24/201,164.10
  6. Step 6: Final answer
    x = 151,626.91

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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.