Home / 405,290.26-559,283.16-223,992.82

Finding the Fourth Proportional to 405,290.26, 559,283.16 and 223,992.82

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Solution

The fourth proportional to 405,290.26, 559,283.16 and 223,992.82 is: 309,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,290.26 : 559,283.16 = 223,992.82 : x
  2. Step 2: Convert to fraction form
    405,290.26/559,283.16 = 223,992.82/x
  3. Step 3: Cross multiply
    405,290.26x = 559,283.16 × 223,992.82
  4. Step 4: Simplify right side
    405,290.26x = 125,275,412,186.91
  5. Step 5: Solve for x
    x = 125,275,412,186.91/405,290.26
  6. Step 6: Final answer
    x = 309,100.48

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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.