Home / 220,030.60-330,434.70-170,231.80

Finding the Fourth Proportional to 220,030.60, 330,434.70 and 170,231.80

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Solution

The fourth proportional to 220,030.60, 330,434.70 and 170,231.80 is: 255,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,030.60 : 330,434.70 = 170,231.80 : x
  2. Step 2: Convert to fraction form
    220,030.60/330,434.70 = 170,231.80/x
  3. Step 3: Cross multiply
    220,030.60x = 330,434.70 × 170,231.80
  4. Step 4: Simplify right side
    220,030.60x = 56,250,493,763.46
  5. Step 5: Solve for x
    x = 56,250,493,763.46/220,030.60
  6. Step 6: Final answer
    x = 255,648.50

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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.