Home / 366,133.57-505,237.10-213,172.97

Finding the Fourth Proportional to 366,133.57, 505,237.10 and 213,172.97

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Solution

The fourth proportional to 366,133.57, 505,237.10 and 213,172.97 is: 294,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,133.57 : 505,237.10 = 213,172.97 : x
  2. Step 2: Convert to fraction form
    366,133.57/505,237.10 = 213,172.97/x
  3. Step 3: Cross multiply
    366,133.57x = 505,237.10 × 213,172.97
  4. Step 4: Simplify right side
    366,133.57x = 107,702,889,569.14
  5. Step 5: Solve for x
    x = 107,702,889,569.14/366,133.57
  6. Step 6: Final answer
    x = 294,162.84

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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.