Finding the Fourth Proportional to 323,381.18, 446,279.48 and 180,141.18
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Solution
The fourth proportional to 323,381.18, 446,279.48 and 180,141.18 is: 248,602.32
Step by Step Solution
- Step 1: Write the proportion equation
323,381.18 : 446,279.48 = 180,141.18 : x - Step 2: Convert to fraction form
323,381.18/446,279.48 = 180,141.18/x - Step 3: Cross multiply
323,381.18x = 446,279.48 × 180,141.18 - Step 4: Simplify right side
323,381.18x = 80,393,311,236.28 - Step 5: Solve for x
x = 80,393,311,236.28/323,381.18 - Step 6: Final answer
x = 248,602.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.