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Finding the Fourth Proportional to 201,282.40, 301,923.60 and 68,130.55

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Solution

The fourth proportional to 201,282.40, 301,923.60 and 68,130.55 is: 102,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,282.40 : 301,923.60 = 68,130.55 : x
  2. Step 2: Convert to fraction form
    201,282.40/301,923.60 = 68,130.55/x
  3. Step 3: Cross multiply
    201,282.40x = 301,923.60 × 68,130.55
  4. Step 4: Simplify right side
    201,282.40x = 20,570,220,925.98
  5. Step 5: Solve for x
    x = 20,570,220,925.98/201,282.40
  6. Step 6: Final answer
    x = 102,195.83

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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.