Finding the Fourth Proportional to 247,672.87, 371,389.13 and 121,164.94
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Solution
The fourth proportional to 247,672.87, 371,389.13 and 121,164.94 is: 181,688.62
Step by Step Solution
- Step 1: Write the proportion equation
247,672.87 : 371,389.13 = 121,164.94 : x - Step 2: Convert to fraction form
247,672.87/371,389.13 = 121,164.94/x - Step 3: Cross multiply
247,672.87x = 371,389.13 × 121,164.94 - Step 4: Simplify right side
247,672.87x = 44,999,341,653.10 - Step 5: Solve for x
x = 44,999,341,653.10/247,672.87 - Step 6: Final answer
x = 181,688.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.