Finding the Fourth Proportional to 158,274.44, 218,418.62 and 86,654.44
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Solution
The fourth proportional to 158,274.44, 218,418.62 and 86,654.44 is: 119,583.07
Step by Step Solution
- Step 1: Write the proportion equation
158,274.44 : 218,418.62 = 86,654.44 : x - Step 2: Convert to fraction form
158,274.44/218,418.62 = 86,654.44/x - Step 3: Cross multiply
158,274.44x = 218,418.62 × 86,654.44 - Step 4: Simplify right side
158,274.44x = 18,926,943,201.67 - Step 5: Solve for x
x = 18,926,943,201.67/158,274.44 - Step 6: Final answer
x = 119,583.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.