Finding the Fourth Proportional to 478,129.33, 659,832.99 and 263,277.08
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Solution
The fourth proportional to 478,129.33, 659,832.99 and 263,277.08 is: 363,330.36
Step by Step Solution
- Step 1: Write the proportion equation
478,129.33 : 659,832.99 = 263,277.08 : x - Step 2: Convert to fraction form
478,129.33/659,832.99 = 263,277.08/x - Step 3: Cross multiply
478,129.33x = 659,832.99 × 263,277.08 - Step 4: Simplify right side
478,129.33x = 173,718,902,894.87 - Step 5: Solve for x
x = 173,718,902,894.87/478,129.33 - Step 6: Final answer
x = 363,330.36
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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.