Finding the Fourth Proportional to 145,283.67, 217,938.02 and 40,102.65
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Solution
The fourth proportional to 145,283.67, 217,938.02 and 40,102.65 is: 60,157.43
Step by Step Solution
- Step 1: Write the proportion equation
145,283.67 : 217,938.02 = 40,102.65 : x - Step 2: Convert to fraction form
145,283.67/217,938.02 = 40,102.65/x - Step 3: Cross multiply
145,283.67x = 217,938.02 × 40,102.65 - Step 4: Simplify right side
145,283.67x = 8,739,891,937.24 - Step 5: Solve for x
x = 8,739,891,937.24/145,283.67 - Step 6: Final answer
x = 60,157.43
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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.