Home / 210,578.36-290,597.42-115,085.03

Finding the Fourth Proportional to 210,578.36, 290,597.42 and 115,085.03

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Solution

The fourth proportional to 210,578.36, 290,597.42 and 115,085.03 is: 158,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,578.36 : 290,597.42 = 115,085.03 : x
  2. Step 2: Convert to fraction form
    210,578.36/290,597.42 = 115,085.03/x
  3. Step 3: Cross multiply
    210,578.36x = 290,597.42 × 115,085.03
  4. Step 4: Simplify right side
    210,578.36x = 33,443,410,770.21
  5. Step 5: Solve for x
    x = 33,443,410,770.21/210,578.36
  6. Step 6: Final answer
    x = 158,816.94

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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.