Finding the Fourth Proportional to 118,799.94, 178,226.50 and 39,912.02
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Solution
The fourth proportional to 118,799.94, 178,226.50 and 39,912.02 is: 59,876.96
Step by Step Solution
- Step 1: Write the proportion equation
118,799.94 : 178,226.50 = 39,912.02 : x - Step 2: Convert to fraction form
118,799.94/178,226.50 = 39,912.02/x - Step 3: Cross multiply
118,799.94x = 178,226.50 × 39,912.02 - Step 4: Simplify right side
118,799.94x = 7,113,379,632.53 - Step 5: Solve for x
x = 7,113,379,632.53/118,799.94 - Step 6: Final answer
x = 59,876.96
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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.