Finding the Fourth Proportional to 178,538.88, 246,379.41 and 97,965.66
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Solution
The fourth proportional to 178,538.88, 246,379.41 and 97,965.66 is: 135,190.28
Step by Step Solution
- Step 1: Write the proportion equation
178,538.88 : 246,379.41 = 97,965.66 : x - Step 2: Convert to fraction form
178,538.88/246,379.41 = 97,965.66/x - Step 3: Cross multiply
178,538.88x = 246,379.41 × 97,965.66 - Step 4: Simplify right side
178,538.88x = 24,136,721,511.06 - Step 5: Solve for x
x = 24,136,721,511.06/178,538.88 - Step 6: Final answer
x = 135,190.28
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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.