Finding the Fourth Proportional to 247,671.12, 371,386.50 and 121,163.19
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Solution
The fourth proportional to 247,671.12, 371,386.50 and 121,163.19 is: 181,685.99
Step by Step Solution
- Step 1: Write the proportion equation
247,671.12 : 371,386.50 = 121,163.19 : x - Step 2: Convert to fraction form
247,671.12/371,386.50 = 121,163.19/x - Step 3: Cross multiply
247,671.12x = 371,386.50 × 121,163.19 - Step 4: Simplify right side
247,671.12x = 44,998,373,062.94 - Step 5: Solve for x
x = 44,998,373,062.94/247,671.12 - Step 6: Final answer
x = 181,685.99
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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.