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Finding the Fourth Proportional to 220,099.60, 330,149.40 and 185,107.60

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Solution

The fourth proportional to 220,099.60, 330,149.40 and 185,107.60 is: 277,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,099.60 : 330,149.40 = 185,107.60 : x
  2. Step 2: Convert to fraction form
    220,099.60/330,149.40 = 185,107.60/x
  3. Step 3: Cross multiply
    220,099.60x = 330,149.40 × 185,107.60
  4. Step 4: Simplify right side
    220,099.60x = 61,113,163,075.44
  5. Step 5: Solve for x
    x = 61,113,163,075.44/220,099.60
  6. Step 6: Final answer
    x = 277,661.40

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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.