Finding the Fourth Proportional to 311,942.62, 468,176.37 and 292,259.62
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Solution
The fourth proportional to 311,942.62, 468,176.37 and 292,259.62 is: 438,635.31
Step by Step Solution
- Step 1: Write the proportion equation
311,942.62 : 468,176.37 = 292,259.62 : x - Step 2: Convert to fraction form
311,942.62/468,176.37 = 292,259.62/x - Step 3: Cross multiply
311,942.62x = 468,176.37 × 292,259.62 - Step 4: Simplify right side
311,942.62x = 136,829,047,989.18 - Step 5: Solve for x
x = 136,829,047,989.18/311,942.62 - Step 6: Final answer
x = 438,635.31
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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.