Finding the Fourth Proportional to 209,344.82, 288,889.67 and 118,709.06
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Solution
The fourth proportional to 209,344.82, 288,889.67 and 118,709.06 is: 163,814.99
Step by Step Solution
- Step 1: Write the proportion equation
209,344.82 : 288,889.67 = 118,709.06 : x - Step 2: Convert to fraction form
209,344.82/288,889.67 = 118,709.06/x - Step 3: Cross multiply
209,344.82x = 288,889.67 × 118,709.06 - Step 4: Simplify right side
209,344.82x = 34,293,819,131.42 - Step 5: Solve for x
x = 34,293,819,131.42/209,344.82 - Step 6: Final answer
x = 163,814.99
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1.5x scale
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.