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Finding the Fourth Proportional to 201,235.10, 301,889.10 and 101,143.40

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Solution

The fourth proportional to 201,235.10, 301,889.10 and 101,143.40 is: 151,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,235.10 : 301,889.10 = 101,143.40 : x
  2. Step 2: Convert to fraction form
    201,235.10/301,889.10 = 101,143.40/x
  3. Step 3: Cross multiply
    201,235.10x = 301,889.10 × 101,143.40
  4. Step 4: Simplify right side
    201,235.10x = 30,534,089,996.94
  5. Step 5: Solve for x
    x = 30,534,089,996.94/201,235.10
  6. Step 6: Final answer
    x = 151,733.42

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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.