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Finding the Fourth Proportional to 201,509.80, 301,827.30 and 166,517.80

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Solution

The fourth proportional to 201,509.80, 301,827.30 and 166,517.80 is: 249,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,509.80 : 301,827.30 = 166,517.80 : x
  2. Step 2: Convert to fraction form
    201,509.80/301,827.30 = 166,517.80/x
  3. Step 3: Cross multiply
    201,509.80x = 301,827.30 × 166,517.80
  4. Step 4: Simplify right side
    201,509.80x = 50,259,617,975.94
  5. Step 5: Solve for x
    x = 50,259,617,975.94/201,509.80
  6. Step 6: Final answer
    x = 249,415.25

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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.