Home / 252,297.50-378,336.38-72,343.22

Finding the Fourth Proportional to 252,297.50, 378,336.38 and 72,343.22

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Solution

The fourth proportional to 252,297.50, 378,336.38 and 72,343.22 is: 108,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,297.50 : 378,336.38 = 72,343.22 : x
  2. Step 2: Convert to fraction form
    252,297.50/378,336.38 = 72,343.22/x
  3. Step 3: Cross multiply
    252,297.50x = 378,336.38 × 72,343.22
  4. Step 4: Simplify right side
    252,297.50x = 27,370,071,972.34
  5. Step 5: Solve for x
    x = 27,370,071,972.34/252,297.50
  6. Step 6: Final answer
    x = 108,483.33

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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.