Home / 270,764.10-406,034.37-102,255.75

Finding the Fourth Proportional to 270,764.10, 406,034.37 and 102,255.75

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Solution

The fourth proportional to 270,764.10, 406,034.37 and 102,255.75 is: 153,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,764.10 : 406,034.37 = 102,255.75 : x
  2. Step 2: Convert to fraction form
    270,764.10/406,034.37 = 102,255.75/x
  3. Step 3: Cross multiply
    270,764.10x = 406,034.37 × 102,255.75
  4. Step 4: Simplify right side
    270,764.10x = 41,519,349,030.13
  5. Step 5: Solve for x
    x = 41,519,349,030.13/270,764.10
  6. Step 6: Final answer
    x = 153,341.41

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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.