Finding the Fourth Proportional to 236,231.44, 354,342.30 and 78,461.26
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Solution
The fourth proportional to 236,231.44, 354,342.30 and 78,461.26 is: 117,690.28
Step by Step Solution
- Step 1: Write the proportion equation
236,231.44 : 354,342.30 = 78,461.26 : x - Step 2: Convert to fraction form
236,231.44/354,342.30 = 78,461.26/x - Step 3: Cross multiply
236,231.44x = 354,342.30 × 78,461.26 - Step 4: Simplify right side
236,231.44x = 27,802,143,329.30 - Step 5: Solve for x
x = 27,802,143,329.30/236,231.44 - Step 6: Final answer
x = 117,690.28
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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.