Finding the Fourth Proportional to 771,070.92, 1,156,571.43 and 202,438.62
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Solution
The fourth proportional to 771,070.92, 1,156,571.43 and 202,438.62 is: 303,648.75
Step by Step Solution
- Step 1: Write the proportion equation
771,070.92 : 1,156,571.43 = 202,438.62 : x - Step 2: Convert to fraction form
771,070.92/1,156,571.43 = 202,438.62/x - Step 3: Cross multiply
771,070.92x = 1,156,571.43 × 202,438.62 - Step 4: Simplify right side
771,070.92x = 234,134,724,220.63 - Step 5: Solve for x
x = 234,134,724,220.63/771,070.92 - Step 6: Final answer
x = 303,648.75
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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.