Finding the Fourth Proportional to 210,747.78, 316,124.67 and 68,593.80
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Solution
The fourth proportional to 210,747.78, 316,124.67 and 68,593.80 is: 102,891.68
Step by Step Solution
- Step 1: Write the proportion equation
210,747.78 : 316,124.67 = 68,593.80 : x - Step 2: Convert to fraction form
210,747.78/316,124.67 = 68,593.80/x - Step 3: Cross multiply
210,747.78x = 316,124.67 × 68,593.80 - Step 4: Simplify right side
210,747.78x = 21,684,192,389.05 - Step 5: Solve for x
x = 21,684,192,389.05/210,747.78 - Step 6: Final answer
x = 102,891.68
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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.