Finding the Fourth Proportional to 260,711.70, 365,783.70 and 260,711.70
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Solution
The fourth proportional to 260,711.70, 365,783.70 and 260,711.70 is: 365,783.70
Step by Step Solution
- Step 1: Write the proportion equation
260,711.70 : 365,783.70 = 260,711.70 : x - Step 2: Convert to fraction form
260,711.70/365,783.70 = 260,711.70/x - Step 3: Cross multiply
260,711.70x = 365,783.70 × 260,711.70 - Step 4: Simplify right side
260,711.70x = 95,364,090,259.29 - Step 5: Solve for x
x = 95,364,090,259.29/260,711.70 - Step 6: Final answer
x = 365,783.70
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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.