Home / 248,619.80-372,929.70-82,407.80

Finding the Fourth Proportional to 248,619.80, 372,929.70 and 82,407.80

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Solution

The fourth proportional to 248,619.80, 372,929.70 and 82,407.80 is: 123,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,619.80 : 372,929.70 = 82,407.80 : x
  2. Step 2: Convert to fraction form
    248,619.80/372,929.70 = 82,407.80/x
  3. Step 3: Cross multiply
    248,619.80x = 372,929.70 × 82,407.80
  4. Step 4: Simplify right side
    248,619.80x = 30,732,316,131.66
  5. Step 5: Solve for x
    x = 30,732,316,131.66/248,619.80
  6. Step 6: Final answer
    x = 123,611.70

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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.