Home / 490,618.27-736,212.93-206,288.22

Finding the Fourth Proportional to 490,618.27, 736,212.93 and 206,288.22

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Solution

The fourth proportional to 490,618.27, 736,212.93 and 206,288.22 is: 309,552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,618.27 : 736,212.93 = 206,288.22 : x
  2. Step 2: Convert to fraction form
    490,618.27/736,212.93 = 206,288.22/x
  3. Step 3: Cross multiply
    490,618.27x = 736,212.93 × 206,288.22
  4. Step 4: Simplify right side
    490,618.27x = 151,872,054,870.69
  5. Step 5: Solve for x
    x = 151,872,054,870.69/490,618.27
  6. Step 6: Final answer
    x = 309,552.38

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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.