Home / 405,780.48-559,976.64-226,932.48

Finding the Fourth Proportional to 405,780.48, 559,976.64 and 226,932.48

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Solution

The fourth proportional to 405,780.48, 559,976.64 and 226,932.48 is: 313,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,780.48 : 559,976.64 = 226,932.48 : x
  2. Step 2: Convert to fraction form
    405,780.48/559,976.64 = 226,932.48/x
  3. Step 3: Cross multiply
    405,780.48x = 559,976.64 × 226,932.48
  4. Step 4: Simplify right side
    405,780.48x = 127,076,887,657.27
  5. Step 5: Solve for x
    x = 127,076,887,657.27/405,780.48
  6. Step 6: Final answer
    x = 313,166.59

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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.