Home / 220,127.10-330,190.65-185,135.10

Finding the Fourth Proportional to 220,127.10, 330,190.65 and 185,135.10

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Solution

The fourth proportional to 220,127.10, 330,190.65 and 185,135.10 is: 277,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,127.10 : 330,190.65 = 185,135.10 : x
  2. Step 2: Convert to fraction form
    220,127.10/330,190.65 = 185,135.10/x
  3. Step 3: Cross multiply
    220,127.10x = 330,190.65 × 185,135.10
  4. Step 4: Simplify right side
    220,127.10x = 61,129,879,006.82
  5. Step 5: Solve for x
    x = 61,129,879,006.82/220,127.10
  6. Step 6: Final answer
    x = 277,702.65

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Similar ratio
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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.