Finding the Fourth Proportional to 134,947.94, 202,545.39 and 68,433.98
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Solution
The fourth proportional to 134,947.94, 202,545.39 and 68,433.98 is: 102,713.58
Step by Step Solution
- Step 1: Write the proportion equation
134,947.94 : 202,545.39 = 68,433.98 : x - Step 2: Convert to fraction form
134,947.94/202,545.39 = 68,433.98/x - Step 3: Cross multiply
134,947.94x = 202,545.39 × 68,433.98 - Step 4: Simplify right side
134,947.94x = 13,860,986,155.63 - Step 5: Solve for x
x = 13,860,986,155.63/134,947.94 - Step 6: Final answer
x = 102,713.58
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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.