Home / 293,929.75-405,154.32-221,223.37

Finding the Fourth Proportional to 293,929.75, 405,154.32 and 221,223.37

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Solution

The fourth proportional to 293,929.75, 405,154.32 and 221,223.37 is: 304,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,929.75 : 405,154.32 = 221,223.37 : x
  2. Step 2: Convert to fraction form
    293,929.75/405,154.32 = 221,223.37/x
  3. Step 3: Cross multiply
    293,929.75x = 405,154.32 × 221,223.37
  4. Step 4: Simplify right side
    293,929.75x = 89,629,604,040.46
  5. Step 5: Solve for x
    x = 89,629,604,040.46/293,929.75
  6. Step 6: Final answer
    x = 304,935.46

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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.