Home / 393,924.06-590,836.77-109,635.93

Finding the Fourth Proportional to 393,924.06, 590,836.77 and 109,635.93

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Solution

The fourth proportional to 393,924.06, 590,836.77 and 109,635.93 is: 164,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,924.06 : 590,836.77 = 109,635.93 : x
  2. Step 2: Convert to fraction form
    393,924.06/590,836.77 = 109,635.93/x
  3. Step 3: Cross multiply
    393,924.06x = 590,836.77 × 109,635.93
  4. Step 4: Simplify right side
    393,924.06x = 64,776,938,757.15
  5. Step 5: Solve for x
    x = 64,776,938,757.15/393,924.06
  6. Step 6: Final answer
    x = 164,440.17

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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.