Home / 293,091.20-439,636.80-214,359.20

Finding the Fourth Proportional to 293,091.20, 439,636.80 and 214,359.20

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Solution

The fourth proportional to 293,091.20, 439,636.80 and 214,359.20 is: 321,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,091.20 : 439,636.80 = 214,359.20 : x
  2. Step 2: Convert to fraction form
    293,091.20/439,636.80 = 214,359.20/x
  3. Step 3: Cross multiply
    293,091.20x = 439,636.80 × 214,359.20
  4. Step 4: Simplify right side
    293,091.20x = 94,240,192,738.56
  5. Step 5: Solve for x
    x = 94,240,192,738.56/293,091.20
  6. Step 6: Final answer
    x = 321,538.80

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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.