Home / 219,621.60-329,821.20-169,822.80

Finding the Fourth Proportional to 219,621.60, 329,821.20 and 169,822.80

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Solution

The fourth proportional to 219,621.60, 329,821.20 and 169,822.80 is: 255,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,621.60 : 329,821.20 = 169,822.80 : x
  2. Step 2: Convert to fraction form
    219,621.60/329,821.20 = 169,822.80/x
  3. Step 3: Cross multiply
    219,621.60x = 329,821.20 × 169,822.80
  4. Step 4: Simplify right side
    219,621.60x = 56,011,159,683.36
  5. Step 5: Solve for x
    x = 56,011,159,683.36/219,621.60
  6. Step 6: Final answer
    x = 255,034.84

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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.