Home / 364,865.31-503,424.32-221,616.81

Finding the Fourth Proportional to 364,865.31, 503,424.32 and 221,616.81

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Solution

The fourth proportional to 364,865.31, 503,424.32 and 221,616.81 is: 305,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,865.31 : 503,424.32 = 221,616.81 : x
  2. Step 2: Convert to fraction form
    364,865.31/503,424.32 = 221,616.81/x
  3. Step 3: Cross multiply
    364,865.31x = 503,424.32 × 221,616.81
  4. Step 4: Simplify right side
    364,865.31x = 111,567,290,766.74
  5. Step 5: Solve for x
    x = 111,567,290,766.74/364,865.31
  6. Step 6: Final answer
    x = 305,776.65

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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.