Home / 311,192.44-429,454.06-190,331.52

Finding the Fourth Proportional to 311,192.44, 429,454.06 and 190,331.52

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Solution

The fourth proportional to 311,192.44, 429,454.06 and 190,331.52 is: 262,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,192.44 : 429,454.06 = 190,331.52 : x
  2. Step 2: Convert to fraction form
    311,192.44/429,454.06 = 190,331.52/x
  3. Step 3: Cross multiply
    311,192.44x = 429,454.06 × 190,331.52
  4. Step 4: Simplify right side
    311,192.44x = 81,738,644,009.97
  5. Step 5: Solve for x
    x = 81,738,644,009.97/311,192.44
  6. Step 6: Final answer
    x = 262,662.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.