Finding the Fourth Proportional to 135,034.34, 186,344.79 and 74,607.62
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Solution
The fourth proportional to 135,034.34, 186,344.79 and 74,607.62 is: 102,957.08
Step by Step Solution
- Step 1: Write the proportion equation
135,034.34 : 186,344.79 = 74,607.62 : x - Step 2: Convert to fraction form
135,034.34/186,344.79 = 74,607.62/x - Step 3: Cross multiply
135,034.34x = 186,344.79 × 74,607.62 - Step 4: Simplify right side
135,034.34x = 13,902,741,281.30 - Step 5: Solve for x
x = 13,902,741,281.30/135,034.34 - Step 6: Final answer
x = 102,957.08
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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.