Finding the Fourth Proportional to 299,063.70, 448,465.95 and 121,511.70
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Solution
The fourth proportional to 299,063.70, 448,465.95 and 121,511.70 is: 182,214.89
Step by Step Solution
- Step 1: Write the proportion equation
299,063.70 : 448,465.95 = 121,511.70 : x - Step 2: Convert to fraction form
299,063.70/448,465.95 = 121,511.70/x - Step 3: Cross multiply
299,063.70x = 448,465.95 × 121,511.70 - Step 4: Simplify right side
299,063.70x = 54,493,859,976.62 - Step 5: Solve for x
x = 54,493,859,976.62/299,063.70 - Step 6: Final answer
x = 182,214.89
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1.5x scale
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.