Finding the Fourth Proportional to 727,286.84, 1,091,101.98 and 228,650.84
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Solution
The fourth proportional to 727,286.84, 1,091,101.98 and 228,650.84 is: 343,030.25
Step by Step Solution
- Step 1: Write the proportion equation
727,286.84 : 1,091,101.98 = 228,650.84 : x - Step 2: Convert to fraction form
727,286.84/1,091,101.98 = 228,650.84/x - Step 3: Cross multiply
727,286.84x = 1,091,101.98 × 228,650.84 - Step 4: Simplify right side
727,286.84x = 249,481,384,252.66 - Step 5: Solve for x
x = 249,481,384,252.66/727,286.84 - Step 6: Final answer
x = 343,030.25
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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.