Home / 206,370.17-309,455.27-121,004.37

Finding the Fourth Proportional to 206,370.17, 309,455.27 and 121,004.37

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Solution

The fourth proportional to 206,370.17, 309,455.27 and 121,004.37 is: 181,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,370.17 : 309,455.27 = 121,004.37 : x
  2. Step 2: Convert to fraction form
    206,370.17/309,455.27 = 121,004.37/x
  3. Step 3: Cross multiply
    206,370.17x = 309,455.27 × 121,004.37
  4. Step 4: Simplify right side
    206,370.17x = 37,445,440,708.62
  5. Step 5: Solve for x
    x = 37,445,440,708.62/206,370.17
  6. Step 6: Final answer
    x = 181,447.93

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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.