Home / 281,949.64-389,121.06-180,068.68

Finding the Fourth Proportional to 281,949.64, 389,121.06 and 180,068.68

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Solution

The fourth proportional to 281,949.64, 389,121.06 and 180,068.68 is: 248,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,949.64 : 389,121.06 = 180,068.68 : x
  2. Step 2: Convert to fraction form
    281,949.64/389,121.06 = 180,068.68/x
  3. Step 3: Cross multiply
    281,949.64x = 389,121.06 × 180,068.68
  4. Step 4: Simplify right side
    281,949.64x = 70,068,515,634.40
  5. Step 5: Solve for x
    x = 70,068,515,634.40/281,949.64
  6. Step 6: Final answer
    x = 248,514.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.