Finding the Fourth Proportional to 215,812.62, 323,599.86 and 115,944.48
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Solution
The fourth proportional to 215,812.62, 323,599.86 and 115,944.48 is: 173,852.75
Step by Step Solution
- Step 1: Write the proportion equation
215,812.62 : 323,599.86 = 115,944.48 : x - Step 2: Convert to fraction form
215,812.62/323,599.86 = 115,944.48/x - Step 3: Cross multiply
215,812.62x = 323,599.86 × 115,944.48 - Step 4: Simplify right side
215,812.62x = 37,519,617,495.77 - Step 5: Solve for x
x = 37,519,617,495.77/215,812.62 - Step 6: Final answer
x = 173,852.75
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1.5x scale
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.