Finding the Fourth Proportional to 247,671.87, 371,387.63 and 121,163.94
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Solution
The fourth proportional to 247,671.87, 371,387.63 and 121,163.94 is: 181,687.12
Step by Step Solution
- Step 1: Write the proportion equation
247,671.87 : 371,387.63 = 121,163.94 : x - Step 2: Convert to fraction form
247,671.87/371,387.63 = 121,163.94/x - Step 3: Cross multiply
247,671.87x = 371,387.63 × 121,163.94 - Step 4: Simplify right side
247,671.87x = 44,998,788,518.06 - Step 5: Solve for x
x = 44,998,788,518.06/247,671.87 - Step 6: Final answer
x = 181,687.12
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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.