Finding the Fourth Proportional to 192,343.17, 288,547.97 and 85,764.99
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Solution
The fourth proportional to 192,343.17, 288,547.97 and 85,764.99 is: 128,662.29
Step by Step Solution
- Step 1: Write the proportion equation
192,343.17 : 288,547.97 = 85,764.99 : x - Step 2: Convert to fraction form
192,343.17/288,547.97 = 85,764.99/x - Step 3: Cross multiply
192,343.17x = 288,547.97 × 85,764.99 - Step 4: Simplify right side
192,343.17x = 24,747,313,332.75 - Step 5: Solve for x
x = 24,747,313,332.75/192,343.17 - Step 6: Final answer
x = 128,662.29
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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.