Finding the Fourth Proportional to 209,207.14, 288,779.88 and 124,323.19
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Solution
The fourth proportional to 209,207.14, 288,779.88 and 124,323.19 is: 171,609.99
Step by Step Solution
- Step 1: Write the proportion equation
209,207.14 : 288,779.88 = 124,323.19 : x - Step 2: Convert to fraction form
209,207.14/288,779.88 = 124,323.19/x - Step 3: Cross multiply
209,207.14x = 288,779.88 × 124,323.19 - Step 4: Simplify right side
209,207.14x = 35,902,035,633.68 - Step 5: Solve for x
x = 35,902,035,633.68/209,207.14 - Step 6: Final answer
x = 171,609.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.