Finding the Fourth Proportional to 284,161.49, 392,290.46 and 207,594.62
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Solution
The fourth proportional to 284,161.49, 392,290.46 and 207,594.62 is: 286,588.41
Step by Step Solution
- Step 1: Write the proportion equation
284,161.49 : 392,290.46 = 207,594.62 : x - Step 2: Convert to fraction form
284,161.49/392,290.46 = 207,594.62/x - Step 3: Cross multiply
284,161.49x = 392,290.46 × 207,594.62 - Step 4: Simplify right side
284,161.49x = 81,437,389,492.31 - Step 5: Solve for x
x = 81,437,389,492.31/284,161.49 - Step 6: Final answer
x = 286,588.41
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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.