Home / 321,746.48-443,965.56-214,385.84

Finding the Fourth Proportional to 321,746.48, 443,965.56 and 214,385.84

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Solution

The fourth proportional to 321,746.48, 443,965.56 and 214,385.84 is: 295,822.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,746.48 : 443,965.56 = 214,385.84 : x
  2. Step 2: Convert to fraction form
    321,746.48/443,965.56 = 214,385.84/x
  3. Step 3: Cross multiply
    321,746.48x = 443,965.56 × 214,385.84
  4. Step 4: Simplify right side
    321,746.48x = 95,179,929,511.67
  5. Step 5: Solve for x
    x = 95,179,929,511.67/321,746.48
  6. Step 6: Final answer
    x = 295,822.75

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1.5x scale

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.