Home / 379,660.60-569,577.30-221,807.80

Finding the Fourth Proportional to 379,660.60, 569,577.30 and 221,807.80

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Solution

The fourth proportional to 379,660.60, 569,577.30 and 221,807.80 is: 332,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,660.60 : 569,577.30 = 221,807.80 : x
  2. Step 2: Convert to fraction form
    379,660.60/569,577.30 = 221,807.80/x
  3. Step 3: Cross multiply
    379,660.60x = 569,577.30 × 221,807.80
  4. Step 4: Simplify right side
    379,660.60x = 126,336,687,842.94
  5. Step 5: Solve for x
    x = 126,336,687,842.94/379,660.60
  6. Step 6: Final answer
    x = 332,762.18

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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.