Home / 395,977.86-546,442.74-223,893.17

Finding the Fourth Proportional to 395,977.86, 546,442.74 and 223,893.17

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Solution

The fourth proportional to 395,977.86, 546,442.74 and 223,893.17 is: 308,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,977.86 : 546,442.74 = 223,893.17 : x
  2. Step 2: Convert to fraction form
    395,977.86/546,442.74 = 223,893.17/x
  3. Step 3: Cross multiply
    395,977.86x = 546,442.74 × 223,893.17
  4. Step 4: Simplify right side
    395,977.86x = 122,344,794,549.87
  5. Step 5: Solve for x
    x = 122,344,794,549.87/395,977.86
  6. Step 6: Final answer
    x = 308,968.78

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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.