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Finding the Fourth Proportional to 201,069.70, 301,604.55 and 122,208.10

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Solution

The fourth proportional to 201,069.70, 301,604.55 and 122,208.10 is: 183,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,069.70 : 301,604.55 = 122,208.10 : x
  2. Step 2: Convert to fraction form
    201,069.70/301,604.55 = 122,208.10/x
  3. Step 3: Cross multiply
    201,069.70x = 301,604.55 × 122,208.10
  4. Step 4: Simplify right side
    201,069.70x = 36,858,519,006.86
  5. Step 5: Solve for x
    x = 36,858,519,006.86/201,069.70
  6. Step 6: Final answer
    x = 183,312.15

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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.