Finding the Fourth Proportional to 121,478.19, 182,269.92 and 65,252.70
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Solution
The fourth proportional to 121,478.19, 182,269.92 and 65,252.70 is: 97,907.32
Step by Step Solution
- Step 1: Write the proportion equation
121,478.19 : 182,269.92 = 65,252.70 : x - Step 2: Convert to fraction form
121,478.19/182,269.92 = 65,252.70/x - Step 3: Cross multiply
121,478.19x = 182,269.92 × 65,252.70 - Step 4: Simplify right side
121,478.19x = 11,893,604,082.52 - Step 5: Solve for x
x = 11,893,604,082.52/121,478.19 - Step 6: Final answer
x = 97,907.32
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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.