Home / 395,321.06-545,536.45-214,031.52

Finding the Fourth Proportional to 395,321.06, 545,536.45 and 214,031.52

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Solution

The fourth proportional to 395,321.06, 545,536.45 and 214,031.52 is: 295,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,321.06 : 545,536.45 = 214,031.52 : x
  2. Step 2: Convert to fraction form
    395,321.06/545,536.45 = 214,031.52/x
  3. Step 3: Cross multiply
    395,321.06x = 545,536.45 × 214,031.52
  4. Step 4: Simplify right side
    395,321.06x = 116,761,994,538.75
  5. Step 5: Solve for x
    x = 116,761,994,538.75/395,321.06
  6. Step 6: Final answer
    x = 295,359.91

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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.