Finding the Fourth Proportional to 816,532.18, 1,224,845.94 and 247,931.82
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Solution
The fourth proportional to 816,532.18, 1,224,845.94 and 247,931.82 is: 371,912.20
Step by Step Solution
- Step 1: Write the proportion equation
816,532.18 : 1,224,845.94 = 247,931.82 : x - Step 2: Convert to fraction form
816,532.18/1,224,845.94 = 247,931.82/x - Step 3: Cross multiply
816,532.18x = 1,224,845.94 × 247,931.82 - Step 4: Simplify right side
816,532.18x = 303,678,283,123.81 - Step 5: Solve for x
x = 303,678,283,123.81/816,532.18 - Step 6: Final answer
x = 371,912.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.