Finding the Fourth Proportional to 74,861.70, 112,277.36 and 27,460.65
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Solution
The fourth proportional to 74,861.70, 112,277.36 and 27,460.65 is: 41,185.40
Step by Step Solution
- Step 1: Write the proportion equation
74,861.70 : 112,277.36 = 27,460.65 : x - Step 2: Convert to fraction form
74,861.70/112,277.36 = 27,460.65/x - Step 3: Cross multiply
74,861.70x = 112,277.36 × 27,460.65 - Step 4: Simplify right side
74,861.70x = 3,083,209,148.58 - Step 5: Solve for x
x = 3,083,209,148.58/74,861.70 - Step 6: Final answer
x = 41,185.40
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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.