Finding the Fourth Proportional to 556,242.12, 832,296.42 and 331,724.70
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Solution
The fourth proportional to 556,242.12, 832,296.42 and 331,724.70 is: 496,354.50
Step by Step Solution
- Step 1: Write the proportion equation
556,242.12 : 832,296.42 = 331,724.70 : x - Step 2: Convert to fraction form
556,242.12/832,296.42 = 331,724.70/x - Step 3: Cross multiply
556,242.12x = 832,296.42 × 331,724.70 - Step 4: Simplify right side
556,242.12x = 276,093,280,235.57 - Step 5: Solve for x
x = 276,093,280,235.57/556,242.12 - Step 6: Final answer
x = 496,354.50
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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.