Finding the Fourth Proportional to 346,552.44, 478,042.79 and 208,635.44
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Solution
The fourth proportional to 346,552.44, 478,042.79 and 208,635.44 is: 287,796.75
Step by Step Solution
- Step 1: Write the proportion equation
346,552.44 : 478,042.79 = 208,635.44 : x - Step 2: Convert to fraction form
346,552.44/478,042.79 = 208,635.44/x - Step 3: Cross multiply
346,552.44x = 478,042.79 × 208,635.44 - Step 4: Simplify right side
346,552.44x = 99,736,666,328.37 - Step 5: Solve for x
x = 99,736,666,328.37/346,552.44 - Step 6: Final answer
x = 287,796.75
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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.