Finding the Fourth Proportional to 341,385.18, 511,914.19 and 161,320.74
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Solution
The fourth proportional to 341,385.18, 511,914.19 and 161,320.74 is: 241,903.80
Step by Step Solution
- Step 1: Write the proportion equation
341,385.18 : 511,914.19 = 161,320.74 : x - Step 2: Convert to fraction form
341,385.18/511,914.19 = 161,320.74/x - Step 3: Cross multiply
341,385.18x = 511,914.19 × 161,320.74 - Step 4: Simplify right side
341,385.18x = 82,582,372,581.13 - Step 5: Solve for x
x = 82,582,372,581.13/341,385.18 - Step 6: Final answer
x = 241,903.80
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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.