Home / 304,824.45-420,653.19-168,857.98

Finding the Fourth Proportional to 304,824.45, 420,653.19 and 168,857.98

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Solution

The fourth proportional to 304,824.45, 420,653.19 and 168,857.98 is: 233,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,824.45 : 420,653.19 = 168,857.98 : x
  2. Step 2: Convert to fraction form
    304,824.45/420,653.19 = 168,857.98/x
  3. Step 3: Cross multiply
    304,824.45x = 420,653.19 × 168,857.98
  4. Step 4: Simplify right side
    304,824.45x = 71,030,647,943.96
  5. Step 5: Solve for x
    x = 71,030,647,943.96/304,824.45
  6. Step 6: Final answer
    x = 233,021.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.