Home / 231,064.20-346,596.30-221,878.80

Finding the Fourth Proportional to 231,064.20, 346,596.30 and 221,878.80

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Solution

The fourth proportional to 231,064.20, 346,596.30 and 221,878.80 is: 332,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,064.20 : 346,596.30 = 221,878.80 : x
  2. Step 2: Convert to fraction form
    231,064.20/346,596.30 = 221,878.80/x
  3. Step 3: Cross multiply
    231,064.20x = 346,596.30 × 221,878.80
  4. Step 4: Simplify right side
    231,064.20x = 76,902,371,128.44
  5. Step 5: Solve for x
    x = 76,902,371,128.44/231,064.20
  6. Step 6: Final answer
    x = 332,818.20

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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.