Home / 220,823.67-331,240.95-80,582.25

Finding the Fourth Proportional to 220,823.67, 331,240.95 and 80,582.25

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Solution

The fourth proportional to 220,823.67, 331,240.95 and 80,582.25 is: 120,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,823.67 : 331,240.95 = 80,582.25 : x
  2. Step 2: Convert to fraction form
    220,823.67/331,240.95 = 80,582.25/x
  3. Step 3: Cross multiply
    220,823.67x = 331,240.95 × 80,582.25
  4. Step 4: Simplify right side
    220,823.67x = 26,692,141,043.14
  5. Step 5: Solve for x
    x = 26,692,141,043.14/220,823.67
  6. Step 6: Final answer
    x = 120,875.36

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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.