Finding the Fourth Proportional to 385,561.15, 532,073.51 and 213,487.99
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Solution
The fourth proportional to 385,561.15, 532,073.51 and 213,487.99 is: 294,612.94
Step by Step Solution
- Step 1: Write the proportion equation
385,561.15 : 532,073.51 = 213,487.99 : x - Step 2: Convert to fraction form
385,561.15/532,073.51 = 213,487.99/x - Step 3: Cross multiply
385,561.15x = 532,073.51 × 213,487.99 - Step 4: Simplify right side
385,561.15x = 113,591,302,585.10 - Step 5: Solve for x
x = 113,591,302,585.10/385,561.15 - Step 6: Final answer
x = 294,612.94
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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.