Finding the Fourth Proportional to 415,592.84, 573,252.18 and 288,221.96
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Solution
The fourth proportional to 415,592.84, 573,252.18 and 288,221.96 is: 397,561.87
Step by Step Solution
- Step 1: Write the proportion equation
415,592.84 : 573,252.18 = 288,221.96 : x - Step 2: Convert to fraction form
415,592.84/573,252.18 = 288,221.96/x - Step 3: Cross multiply
415,592.84x = 573,252.18 × 288,221.96 - Step 4: Simplify right side
415,592.84x = 165,223,866,893.87 - Step 5: Solve for x
x = 165,223,866,893.87/415,592.84 - Step 6: Final answer
x = 397,561.87
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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.