Home / 489,940.09-734,536.33-223,514.29

Finding the Fourth Proportional to 489,940.09, 734,536.33 and 223,514.29

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Solution

The fourth proportional to 489,940.09, 734,536.33 and 223,514.29 is: 335,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,940.09 : 734,536.33 = 223,514.29 : x
  2. Step 2: Convert to fraction form
    489,940.09/734,536.33 = 223,514.29/x
  3. Step 3: Cross multiply
    489,940.09x = 734,536.33 × 223,514.29
  4. Step 4: Simplify right side
    489,940.09x = 164,179,366,279.16
  5. Step 5: Solve for x
    x = 164,179,366,279.16/489,940.09
  6. Step 6: Final answer
    x = 335,100.90

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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.