Finding the Fourth Proportional to 236,169.36, 354,160.08 and 86,375.52
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Solution
The fourth proportional to 236,169.36, 354,160.08 and 86,375.52 is: 129,528.92
Step by Step Solution
- Step 1: Write the proportion equation
236,169.36 : 354,160.08 = 86,375.52 : x - Step 2: Convert to fraction form
236,169.36/354,160.08 = 86,375.52/x - Step 3: Cross multiply
236,169.36x = 354,160.08 × 86,375.52 - Step 4: Simplify right side
236,169.36x = 30,590,761,073.24 - Step 5: Solve for x
x = 30,590,761,073.24/236,169.36 - Step 6: Final answer
x = 129,528.92
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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.