Finding the Fourth Proportional to 478,231.68, 659,959.68 and 263,369.88
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Solution
The fourth proportional to 478,231.68, 659,959.68 and 263,369.88 is: 363,450.41
Step by Step Solution
- Step 1: Write the proportion equation
478,231.68 : 659,959.68 = 263,369.88 : x - Step 2: Convert to fraction form
478,231.68/659,959.68 = 263,369.88/x - Step 3: Cross multiply
478,231.68x = 659,959.68 × 263,369.88 - Step 4: Simplify right side
478,231.68x = 173,813,501,726.44 - Step 5: Solve for x
x = 173,813,501,726.44/478,231.68 - Step 6: Final answer
x = 363,450.41
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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.