Finding the Fourth Proportional to 656,533.71, 984,431.18 and 207,170.82
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Solution
The fourth proportional to 656,533.71, 984,431.18 and 207,170.82 is: 310,639.67
Step by Step Solution
- Step 1: Write the proportion equation
656,533.71 : 984,431.18 = 207,170.82 : x - Step 2: Convert to fraction form
656,533.71/984,431.18 = 207,170.82/x - Step 3: Cross multiply
656,533.71x = 984,431.18 × 207,170.82 - Step 4: Simplify right side
656,533.71x = 203,945,415,312.10 - Step 5: Solve for x
x = 203,945,415,312.10/656,533.71 - Step 6: Final answer
x = 310,639.67
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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.