Finding the Fourth Proportional to 226,905.09, 340,354.51 and 77,249.75
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Solution
The fourth proportional to 226,905.09, 340,354.51 and 77,249.75 is: 115,873.55
Step by Step Solution
- Step 1: Write the proportion equation
226,905.09 : 340,354.51 = 77,249.75 : x - Step 2: Convert to fraction form
226,905.09/340,354.51 = 77,249.75/x - Step 3: Cross multiply
226,905.09x = 340,354.51 × 77,249.75 - Step 4: Simplify right side
226,905.09x = 26,292,299,203.66 - Step 5: Solve for x
x = 26,292,299,203.66/226,905.09 - Step 6: Final answer
x = 115,873.55
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1.5x scale
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.