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Finding the Fourth Proportional to 366,383.69, 505,614.74 and 213,417.93

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Solution

The fourth proportional to 366,383.69, 505,614.74 and 213,417.93 is: 294,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,383.69 : 505,614.74 = 213,417.93 : x
  2. Step 2: Convert to fraction form
    366,383.69/505,614.74 = 213,417.93/x
  3. Step 3: Cross multiply
    366,383.69x = 505,614.74 × 213,417.93
  4. Step 4: Simplify right side
    366,383.69x = 107,907,250,121.20
  5. Step 5: Solve for x
    x = 107,907,250,121.20/366,383.69
  6. Step 6: Final answer
    x = 294,519.80

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1.5x scale

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.