Finding the Fourth Proportional to 219,969.81, 303,556.82 and 119,367.81
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Solution
The fourth proportional to 219,969.81, 303,556.82 and 119,367.81 is: 164,726.75
Step by Step Solution
- Step 1: Write the proportion equation
219,969.81 : 303,556.82 = 119,367.81 : x - Step 2: Convert to fraction form
219,969.81/303,556.82 = 119,367.81/x - Step 3: Cross multiply
219,969.81x = 303,556.82 × 119,367.81 - Step 4: Simplify right side
219,969.81x = 36,234,912,217.13 - Step 5: Solve for x
x = 36,234,912,217.13/219,969.81 - Step 6: Final answer
x = 164,726.75
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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.