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Finding the Fourth Proportional to 201,200.90, 301,801.35 and 154,544.90

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Solution

The fourth proportional to 201,200.90, 301,801.35 and 154,544.90 is: 231,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,200.90 : 301,801.35 = 154,544.90 : x
  2. Step 2: Convert to fraction form
    201,200.90/301,801.35 = 154,544.90/x
  3. Step 3: Cross multiply
    201,200.90x = 301,801.35 × 154,544.90
  4. Step 4: Simplify right side
    201,200.90x = 46,641,859,455.62
  5. Step 5: Solve for x
    x = 46,641,859,455.62/201,200.90
  6. Step 6: Final answer
    x = 231,817.35

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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.