Home / 252,364.06-378,583.89-81,528.69

Finding the Fourth Proportional to 252,364.06, 378,583.89 and 81,528.69

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Solution

The fourth proportional to 252,364.06, 378,583.89 and 81,528.69 is: 122,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,364.06 : 378,583.89 = 81,528.69 : x
  2. Step 2: Convert to fraction form
    252,364.06/378,583.89 = 81,528.69/x
  3. Step 3: Cross multiply
    252,364.06x = 378,583.89 × 81,528.69
  4. Step 4: Simplify right side
    252,364.06x = 30,865,446,985.06
  5. Step 5: Solve for x
    x = 30,865,446,985.06/252,364.06
  6. Step 6: Final answer
    x = 122,305.24

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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.