Finding the Fourth Proportional to 192,547.20, 288,513.60 and 161,212.80
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Solution
The fourth proportional to 192,547.20, 288,513.60 and 161,212.80 is: 241,561.99
Step by Step Solution
- Step 1: Write the proportion equation
192,547.20 : 288,513.60 = 161,212.80 : x - Step 2: Convert to fraction form
192,547.20/288,513.60 = 161,212.80/x - Step 3: Cross multiply
192,547.20x = 288,513.60 × 161,212.80 - Step 4: Simplify right side
192,547.20x = 46,512,085,294.08 - Step 5: Solve for x
x = 46,512,085,294.08/192,547.20 - Step 6: Final answer
x = 241,561.99
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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.