Finding the Fourth Proportional to 263,344.18, 363,412.37 and 142,482.81
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Solution
The fourth proportional to 263,344.18, 363,412.37 and 142,482.81 is: 196,624.88
Step by Step Solution
- Step 1: Write the proportion equation
263,344.18 : 363,412.37 = 142,482.81 : x - Step 2: Convert to fraction form
263,344.18/363,412.37 = 142,482.81/x - Step 3: Cross multiply
263,344.18x = 363,412.37 × 142,482.81 - Step 4: Simplify right side
263,344.18x = 51,780,017,385.36 - Step 5: Solve for x
x = 51,780,017,385.36/263,344.18 - Step 6: Final answer
x = 196,624.88
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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.