Finding the Fourth Proportional to 284,104.40, 392,083.08 and 163,284.80
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Solution
The fourth proportional to 284,104.40, 392,083.08 and 163,284.80 is: 225,343.95
Step by Step Solution
- Step 1: Write the proportion equation
284,104.40 : 392,083.08 = 163,284.80 : x - Step 2: Convert to fraction form
284,104.40/392,083.08 = 163,284.80/x - Step 3: Cross multiply
284,104.40x = 392,083.08 × 163,284.80 - Step 4: Simplify right side
284,104.40x = 64,021,207,301.18 - Step 5: Solve for x
x = 64,021,207,301.18/284,104.40 - Step 6: Final answer
x = 225,343.95
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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.