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Finding the Fourth Proportional to 201,010.32, 301,378.68 and 67,827.60

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Solution

The fourth proportional to 201,010.32, 301,378.68 and 67,827.60 is: 101,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,010.32 : 301,378.68 = 67,827.60 : x
  2. Step 2: Convert to fraction form
    201,010.32/301,378.68 = 67,827.60/x
  3. Step 3: Cross multiply
    201,010.32x = 301,378.68 × 67,827.60
  4. Step 4: Simplify right side
    201,010.32x = 20,441,792,555.57
  5. Step 5: Solve for x
    x = 20,441,792,555.57/201,010.32
  6. Step 6: Final answer
    x = 101,695.24

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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.