Finding the Fourth Proportional to 352,285.80, 528,428.70 and 194,821.80
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Solution
The fourth proportional to 352,285.80, 528,428.70 and 194,821.80 is: 292,232.70
Step by Step Solution
- Step 1: Write the proportion equation
352,285.80 : 528,428.70 = 194,821.80 : x - Step 2: Convert to fraction form
352,285.80/528,428.70 = 194,821.80/x - Step 3: Cross multiply
352,285.80x = 528,428.70 × 194,821.80 - Step 4: Simplify right side
352,285.80x = 102,949,430,505.66 - Step 5: Solve for x
x = 102,949,430,505.66/352,285.80 - Step 6: Final answer
x = 292,232.70
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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.