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Finding the Fourth Proportional to 201,247.40, 301,871.10 and 134,892.20

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Solution

The fourth proportional to 201,247.40, 301,871.10 and 134,892.20 is: 202,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,247.40 : 301,871.10 = 134,892.20 : x
  2. Step 2: Convert to fraction form
    201,247.40/301,871.10 = 134,892.20/x
  3. Step 3: Cross multiply
    201,247.40x = 301,871.10 × 134,892.20
  4. Step 4: Simplify right side
    201,247.40x = 40,720,056,795.42
  5. Step 5: Solve for x
    x = 40,720,056,795.42/201,247.40
  6. Step 6: Final answer
    x = 202,338.30

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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.