Finding the Fourth Proportional to 775,559.18, 1,163,364.68 and 214,546.70
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Solution
The fourth proportional to 775,559.18, 1,163,364.68 and 214,546.70 is: 321,827.21
Step by Step Solution
- Step 1: Write the proportion equation
775,559.18 : 1,163,364.68 = 214,546.70 : x - Step 2: Convert to fraction form
775,559.18/1,163,364.68 = 214,546.70/x - Step 3: Cross multiply
775,559.18x = 1,163,364.68 × 214,546.70 - Step 4: Simplify right side
775,559.18x = 249,596,047,710.10 - Step 5: Solve for x
x = 249,596,047,710.10/775,559.18 - Step 6: Final answer
x = 321,827.21
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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.