Finding the Fourth Proportional to 407,818.36, 611,037.30 and 249,716.68
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Solution
The fourth proportional to 407,818.36, 611,037.30 and 249,716.68 is: 374,152.37
Step by Step Solution
- Step 1: Write the proportion equation
407,818.36 : 611,037.30 = 249,716.68 : x - Step 2: Convert to fraction form
407,818.36/611,037.30 = 249,716.68/x - Step 3: Cross multiply
407,818.36x = 611,037.30 × 249,716.68 - Step 4: Simplify right side
407,818.36x = 152,586,205,912.16 - Step 5: Solve for x
x = 152,586,205,912.16/407,818.36 - Step 6: Final answer
x = 374,152.37
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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.