Finding the Fourth Proportional to 331,880.25, 496,913.16 and 232,140.09
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Solution
The fourth proportional to 331,880.25, 496,913.16 and 232,140.09 is: 347,575.57
Step by Step Solution
- Step 1: Write the proportion equation
331,880.25 : 496,913.16 = 232,140.09 : x - Step 2: Convert to fraction form
331,880.25/496,913.16 = 232,140.09/x - Step 3: Cross multiply
331,880.25x = 496,913.16 × 232,140.09 - Step 4: Simplify right side
331,880.25x = 115,353,465,684.58 - Step 5: Solve for x
x = 115,353,465,684.58/331,880.25 - Step 6: Final answer
x = 347,575.57
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1.5x scale
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.