Finding the Fourth Proportional to 612,835.17, 919,243.99 and 275,636.62
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Solution
The fourth proportional to 612,835.17, 919,243.99 and 275,636.62 is: 413,450.99
Step by Step Solution
- Step 1: Write the proportion equation
612,835.17 : 919,243.99 = 275,636.62 : x - Step 2: Convert to fraction form
612,835.17/919,243.99 = 275,636.62/x - Step 3: Cross multiply
612,835.17x = 919,243.99 × 275,636.62 - Step 4: Simplify right side
612,835.17x = 253,377,307,852.52 - Step 5: Solve for x
x = 253,377,307,852.52/612,835.17 - Step 6: Final answer
x = 413,450.99
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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.