Finding the Fourth Proportional to 478,135.54, 659,841.57 and 263,283.31
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Solution
The fourth proportional to 478,135.54, 659,841.57 and 263,283.31 is: 363,338.97
Step by Step Solution
- Step 1: Write the proportion equation
478,135.54 : 659,841.57 = 263,283.31 : x - Step 2: Convert to fraction form
478,135.54/659,841.57 = 263,283.31/x - Step 3: Cross multiply
478,135.54x = 659,841.57 × 263,283.31 - Step 4: Simplify right side
478,135.54x = 173,725,272,625.20 - Step 5: Solve for x
x = 173,725,272,625.20/478,135.54 - Step 6: Final answer
x = 363,338.97
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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.