Home / 366,070.30-505,162.26-213,112.88

Finding the Fourth Proportional to 366,070.30, 505,162.26 and 213,112.88

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Solution

The fourth proportional to 366,070.30, 505,162.26 and 213,112.88 is: 294,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,070.30 : 505,162.26 = 213,112.88 : x
  2. Step 2: Convert to fraction form
    366,070.30/505,162.26 = 213,112.88/x
  3. Step 3: Cross multiply
    366,070.30x = 505,162.26 × 213,112.88
  4. Step 4: Simplify right side
    366,070.30x = 107,656,584,095.91
  5. Step 5: Solve for x
    x = 107,656,584,095.91/366,070.30
  6. Step 6: Final answer
    x = 294,087.19

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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.