Finding the Fourth Proportional to 178,398.96, 246,193.90 and 97,821.66
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Solution
The fourth proportional to 178,398.96, 246,193.90 and 97,821.66 is: 134,995.72
Step by Step Solution
- Step 1: Write the proportion equation
178,398.96 : 246,193.90 = 97,821.66 : x - Step 2: Convert to fraction form
178,398.96/246,193.90 = 97,821.66/x - Step 3: Cross multiply
178,398.96x = 246,193.90 × 97,821.66 - Step 4: Simplify right side
178,398.96x = 24,083,095,979.87 - Step 5: Solve for x
x = 24,083,095,979.87/178,398.96 - Step 6: Final answer
x = 134,995.72
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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.