Finding the Fourth Proportional to 494,795.70, 742,193.55 and 162,371.70
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Solution
The fourth proportional to 494,795.70, 742,193.55 and 162,371.70 is: 243,557.55
Step by Step Solution
- Step 1: Write the proportion equation
494,795.70 : 742,193.55 = 162,371.70 : x - Step 2: Convert to fraction form
494,795.70/742,193.55 = 162,371.70/x - Step 3: Cross multiply
494,795.70x = 742,193.55 × 162,371.70 - Step 4: Simplify right side
494,795.70x = 120,511,228,442.54 - Step 5: Solve for x
x = 120,511,228,442.54/494,795.70 - Step 6: Final answer
x = 243,557.55
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1.5x scale
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.