Finding the Fourth Proportional to 215,624.60, 323,495.22 and 122,195.96
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Solution
The fourth proportional to 215,624.60, 323,495.22 and 122,195.96 is: 183,326.99
Step by Step Solution
- Step 1: Write the proportion equation
215,624.60 : 323,495.22 = 122,195.96 : x - Step 2: Convert to fraction form
215,624.60/323,495.22 = 122,195.96/x - Step 3: Cross multiply
215,624.60x = 323,495.22 × 122,195.96 - Step 4: Simplify right side
215,624.60x = 39,529,808,963.31 - Step 5: Solve for x
x = 39,529,808,963.31/215,624.60 - Step 6: Final answer
x = 183,326.99
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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.