Finding the Fourth Proportional to 478,940.40, 660,942.36 and 264,088.08
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Solution
The fourth proportional to 478,940.40, 660,942.36 and 264,088.08 is: 364,444.09
Step by Step Solution
- Step 1: Write the proportion equation
478,940.40 : 660,942.36 = 264,088.08 : x - Step 2: Convert to fraction form
478,940.40/660,942.36 = 264,088.08/x - Step 3: Cross multiply
478,940.40x = 660,942.36 × 264,088.08 - Step 4: Simplify right side
478,940.40x = 174,546,998,843.07 - Step 5: Solve for x
x = 174,546,998,843.07/478,940.40 - Step 6: Final answer
x = 364,444.09
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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.