Finding the Fourth Proportional to 247,674.14, 341,791.62 and 140,265.08
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Solution
The fourth proportional to 247,674.14, 341,791.62 and 140,265.08 is: 193,566.55
Step by Step Solution
- Step 1: Write the proportion equation
247,674.14 : 341,791.62 = 140,265.08 : x - Step 2: Convert to fraction form
247,674.14/341,791.62 = 140,265.08/x - Step 3: Cross multiply
247,674.14x = 341,791.62 × 140,265.08 - Step 4: Simplify right side
247,674.14x = 47,941,428,922.63 - Step 5: Solve for x
x = 47,941,428,922.63/247,674.14 - Step 6: Final answer
x = 193,566.55
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1.5x scale
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.