Finding the Fourth Proportional to 236,260.44, 354,286.68 and 86,461.80
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Solution
The fourth proportional to 236,260.44, 354,286.68 and 86,461.80 is: 129,654.65
Step by Step Solution
- Step 1: Write the proportion equation
236,260.44 : 354,286.68 = 86,461.80 : x - Step 2: Convert to fraction form
236,260.44/354,286.68 = 86,461.80/x - Step 3: Cross multiply
236,260.44x = 354,286.68 × 86,461.80 - Step 4: Simplify right side
236,260.44x = 30,632,264,068.82 - Step 5: Solve for x
x = 30,632,264,068.82/236,260.44 - Step 6: Final answer
x = 129,654.65
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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.