Finding the Fourth Proportional to 145,204.88, 217,812.96 and 40,032.08
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Solution
The fourth proportional to 145,204.88, 217,812.96 and 40,032.08 is: 60,049.67
Step by Step Solution
- Step 1: Write the proportion equation
145,204.88 : 217,812.96 = 40,032.08 : x - Step 2: Convert to fraction form
145,204.88/217,812.96 = 40,032.08/x - Step 3: Cross multiply
145,204.88x = 217,812.96 × 40,032.08 - Step 4: Simplify right side
145,204.88x = 8,719,505,839.76 - Step 5: Solve for x
x = 8,719,505,839.76/145,204.88 - Step 6: Final answer
x = 60,049.67
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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.