Finding the Fourth Proportional to 365,812.70, 512,487.70 and 365,812.70
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Solution
The fourth proportional to 365,812.70, 512,487.70 and 365,812.70 is: 512,487.70
Step by Step Solution
- Step 1: Write the proportion equation
365,812.70 : 512,487.70 = 365,812.70 : x - Step 2: Convert to fraction form
365,812.70/512,487.70 = 365,812.70/x - Step 3: Cross multiply
365,812.70x = 512,487.70 × 365,812.70 - Step 4: Simplify right side
365,812.70x = 187,474,509,253.79 - Step 5: Solve for x
x = 187,474,509,253.79/365,812.70 - Step 6: Final answer
x = 512,487.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.