Home / 220,836.42-331,260.08-80,595

Finding the Fourth Proportional to 220,836.42, 331,260.08 and 80,595

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Solution

The fourth proportional to 220,836.42, 331,260.08 and 80,595 is: 120,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,836.42 : 331,260.08 = 80,595 : x
  2. Step 2: Convert to fraction form
    220,836.42/331,260.08 = 80,595/x
  3. Step 3: Cross multiply
    220,836.42x = 331,260.08 × 80,595
  4. Step 4: Simplify right side
    220,836.42x = 26,697,905,744.63
  5. Step 5: Solve for x
    x = 26,697,905,744.63/220,836.42
  6. Step 6: Final answer
    x = 120,894.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.