Finding the Fourth Proportional to 154,808.99, 213,545.67 and 97,357.19
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Solution
The fourth proportional to 154,808.99, 213,545.67 and 97,357.19 is: 134,295.86
Step by Step Solution
- Step 1: Write the proportion equation
154,808.99 : 213,545.67 = 97,357.19 : x - Step 2: Convert to fraction form
154,808.99/213,545.67 = 97,357.19/x - Step 3: Cross multiply
154,808.99x = 213,545.67 × 97,357.19 - Step 4: Simplify right side
154,808.99x = 20,790,206,367.87 - Step 5: Solve for x
x = 20,790,206,367.87/154,808.99 - Step 6: Final answer
x = 134,295.86
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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.