Finding the Fourth Proportional to 215,463.80, 323,195.70 and 67,719.80
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Solution
The fourth proportional to 215,463.80, 323,195.70 and 67,719.80 is: 101,579.70
Step by Step Solution
- Step 1: Write the proportion equation
215,463.80 : 323,195.70 = 67,719.80 : x - Step 2: Convert to fraction form
215,463.80/323,195.70 = 67,719.80/x - Step 3: Cross multiply
215,463.80x = 323,195.70 × 67,719.80 - Step 4: Simplify right side
215,463.80x = 21,886,746,837.44 - Step 5: Solve for x
x = 21,886,746,837.44/215,463.80 - Step 6: Final answer
x = 101,579.70
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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.