Home / 395,977.22-546,452.62-214,689.50

Finding the Fourth Proportional to 395,977.22, 546,452.62 and 214,689.50

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Solution

The fourth proportional to 395,977.22, 546,452.62 and 214,689.50 is: 296,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,977.22 : 546,452.62 = 214,689.50 : x
  2. Step 2: Convert to fraction form
    395,977.22/546,452.62 = 214,689.50/x
  3. Step 3: Cross multiply
    395,977.22x = 546,452.62 × 214,689.50
  4. Step 4: Simplify right side
    395,977.22x = 117,317,636,492.50
  5. Step 5: Solve for x
    x = 117,317,636,492.50/395,977.22
  6. Step 6: Final answer
    x = 296,273.70

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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.