Finding the Fourth Proportional to 149,545.62, 206,367.21 and 82,477.62
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Solution
The fourth proportional to 149,545.62, 206,367.21 and 82,477.62 is: 113,815.95
Step by Step Solution
- Step 1: Write the proportion equation
149,545.62 : 206,367.21 = 82,477.62 : x - Step 2: Convert to fraction form
149,545.62/206,367.21 = 82,477.62/x - Step 3: Cross multiply
149,545.62x = 206,367.21 × 82,477.62 - Step 4: Simplify right side
149,545.62x = 17,020,676,326.84 - Step 5: Solve for x
x = 17,020,676,326.84/149,545.62 - Step 6: Final answer
x = 113,815.95
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1.5x scale
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.