Finding the Fourth Proportional to 451,583.19, 623,252.93 and 288,309.46
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Solution
The fourth proportional to 451,583.19, 623,252.93 and 288,309.46 is: 397,910.55
Step by Step Solution
- Step 1: Write the proportion equation
451,583.19 : 623,252.93 = 288,309.46 : x - Step 2: Convert to fraction form
451,583.19/623,252.93 = 288,309.46/x - Step 3: Cross multiply
451,583.19x = 623,252.93 × 288,309.46 - Step 4: Simplify right side
451,583.19x = 179,689,715,691.72 - Step 5: Solve for x
x = 179,689,715,691.72/451,583.19 - Step 6: Final answer
x = 397,910.55
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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.