Home / 275,166.42-379,215.47-214,641.19

Finding the Fourth Proportional to 275,166.42, 379,215.47 and 214,641.19

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Solution

The fourth proportional to 275,166.42, 379,215.47 and 214,641.19 is: 295,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,166.42 : 379,215.47 = 214,641.19 : x
  2. Step 2: Convert to fraction form
    275,166.42/379,215.47 = 214,641.19/x
  3. Step 3: Cross multiply
    275,166.42x = 379,215.47 × 214,641.19
  4. Step 4: Simplify right side
    275,166.42x = 81,395,260,757.83
  5. Step 5: Solve for x
    x = 81,395,260,757.83/275,166.42
  6. Step 6: Final answer
    x = 295,803.76

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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.