Finding the Fourth Proportional to 209,772.18, 314,352.09 and 104,446.26
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Solution
The fourth proportional to 209,772.18, 314,352.09 and 104,446.26 is: 156,516.94
Step by Step Solution
- Step 1: Write the proportion equation
209,772.18 : 314,352.09 = 104,446.26 : x - Step 2: Convert to fraction form
209,772.18/314,352.09 = 104,446.26/x - Step 3: Cross multiply
209,772.18x = 314,352.09 × 104,446.26 - Step 4: Simplify right side
209,772.18x = 32,832,900,123.68 - Step 5: Solve for x
x = 32,832,900,123.68/209,772.18 - Step 6: Final answer
x = 156,516.94
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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.