Home / 220,026.60-330,428.70-170,227.80

Finding the Fourth Proportional to 220,026.60, 330,428.70 and 170,227.80

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Solution

The fourth proportional to 220,026.60, 330,428.70 and 170,227.80 is: 255,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,026.60 : 330,428.70 = 170,227.80 : x
  2. Step 2: Convert to fraction form
    220,026.60/330,428.70 = 170,227.80/x
  3. Step 3: Cross multiply
    220,026.60x = 330,428.70 × 170,227.80
  4. Step 4: Simplify right side
    220,026.60x = 56,248,150,657.86
  5. Step 5: Solve for x
    x = 56,248,150,657.86/220,026.60
  6. Step 6: Final answer
    x = 255,642.50

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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.