Home / 395,393.02-545,645-214,104.95

Finding the Fourth Proportional to 395,393.02, 545,645 and 214,104.95

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Solution

The fourth proportional to 395,393.02, 545,645 and 214,104.95 is: 295,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,393.02 : 545,645 = 214,104.95 : x
  2. Step 2: Convert to fraction form
    395,393.02/545,645 = 214,104.95/x
  3. Step 3: Cross multiply
    395,393.02x = 545,645 × 214,104.95
  4. Step 4: Simplify right side
    395,393.02x = 116,825,295,442.75
  5. Step 5: Solve for x
    x = 116,825,295,442.75/395,393.02
  6. Step 6: Final answer
    x = 295,466.26

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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.