Home / 218,842.43-328,263.62-113,439.96

Finding the Fourth Proportional to 218,842.43, 328,263.62 and 113,439.96

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Solution

The fourth proportional to 218,842.43, 328,263.62 and 113,439.96 is: 170,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,842.43 : 328,263.62 = 113,439.96 : x
  2. Step 2: Convert to fraction form
    218,842.43/328,263.62 = 113,439.96/x
  3. Step 3: Cross multiply
    218,842.43x = 328,263.62 × 113,439.96
  4. Step 4: Simplify right side
    218,842.43x = 37,238,211,355.06
  5. Step 5: Solve for x
    x = 37,238,211,355.06/218,842.43
  6. Step 6: Final answer
    x = 170,159.93

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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.