Home / 219,541.60-329,701.20-169,742.80

Finding the Fourth Proportional to 219,541.60, 329,701.20 and 169,742.80

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Solution

The fourth proportional to 219,541.60, 329,701.20 and 169,742.80 is: 254,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,541.60 : 329,701.20 = 169,742.80 : x
  2. Step 2: Convert to fraction form
    219,541.60/329,701.20 = 169,742.80/x
  3. Step 3: Cross multiply
    219,541.60x = 329,701.20 × 169,742.80
  4. Step 4: Simplify right side
    219,541.60x = 55,964,404,851.36
  5. Step 5: Solve for x
    x = 55,964,404,851.36/219,541.60
  6. Step 6: Final answer
    x = 254,914.81

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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.