Home / 205,462.17-308,291.00-142,379.37

Finding the Fourth Proportional to 205,462.17, 308,291.00 and 142,379.37

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Solution

The fourth proportional to 205,462.17, 308,291.00 and 142,379.37 is: 213,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,462.17 : 308,291.00 = 142,379.37 : x
  2. Step 2: Convert to fraction form
    205,462.17/308,291.00 = 142,379.37/x
  3. Step 3: Cross multiply
    205,462.17x = 308,291.00 × 142,379.37
  4. Step 4: Simplify right side
    205,462.17x = 43,894,277,644.77
  5. Step 5: Solve for x
    x = 43,894,277,644.77/205,462.17
  6. Step 6: Final answer
    x = 213,636.79

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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.