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Finding the Fourth Proportional to 201,041.10, 301,216.05 and 130,884.30

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Solution

The fourth proportional to 201,041.10, 301,216.05 and 130,884.30 is: 196,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,041.10 : 301,216.05 = 130,884.30 : x
  2. Step 2: Convert to fraction form
    201,041.10/301,216.05 = 130,884.30/x
  3. Step 3: Cross multiply
    201,041.10x = 301,216.05 × 130,884.30
  4. Step 4: Simplify right side
    201,041.10x = 39,424,451,853.02
  5. Step 5: Solve for x
    x = 39,424,451,853.02/201,041.10
  6. Step 6: Final answer
    x = 196,101.45

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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.