Finding the Fourth Proportional to 188,715.84, 283,083.84 and 48,475.68
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Solution
The fourth proportional to 188,715.84, 283,083.84 and 48,475.68 is: 72,716.11
Step by Step Solution
- Step 1: Write the proportion equation
188,715.84 : 283,083.84 = 48,475.68 : x - Step 2: Convert to fraction form
188,715.84/283,083.84 = 48,475.68/x - Step 3: Cross multiply
188,715.84x = 283,083.84 × 48,475.68 - Step 4: Simplify right side
188,715.84x = 13,722,681,641.01 - Step 5: Solve for x
x = 13,722,681,641.01/188,715.84 - Step 6: Final answer
x = 72,716.11
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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.