Finding the Fourth Proportional to 382,495.27, 527,862.18 and 212,725.75
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Solution
The fourth proportional to 382,495.27, 527,862.18 and 212,725.75 is: 293,571.94
Step by Step Solution
- Step 1: Write the proportion equation
382,495.27 : 527,862.18 = 212,725.75 : x - Step 2: Convert to fraction form
382,495.27/527,862.18 = 212,725.75/x - Step 3: Cross multiply
382,495.27x = 527,862.18 × 212,725.75 - Step 4: Simplify right side
382,495.27x = 112,289,878,137.14 - Step 5: Solve for x
x = 112,289,878,137.14/382,495.27 - Step 6: Final answer
x = 293,571.94
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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.