Home / 218,814.82-328,277.58-61,043.15

Finding the Fourth Proportional to 218,814.82, 328,277.58 and 61,043.15

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Solution

The fourth proportional to 218,814.82, 328,277.58 and 61,043.15 is: 91,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,814.82 : 328,277.58 = 61,043.15 : x
  2. Step 2: Convert to fraction form
    218,814.82/328,277.58 = 61,043.15/x
  3. Step 3: Cross multiply
    218,814.82x = 328,277.58 × 61,043.15
  4. Step 4: Simplify right side
    218,814.82x = 20,039,098,149.36
  5. Step 5: Solve for x
    x = 20,039,098,149.36/218,814.82
  6. Step 6: Final answer
    x = 91,580.17

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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.