Finding the Fourth Proportional to 242,171.35, 334,191.25 and 140,201.12
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Solution
The fourth proportional to 242,171.35, 334,191.25 and 140,201.12 is: 193,474.53
Step by Step Solution
- Step 1: Write the proportion equation
242,171.35 : 334,191.25 = 140,201.12 : x - Step 2: Convert to fraction form
242,171.35/334,191.25 = 140,201.12/x - Step 3: Cross multiply
242,171.35x = 334,191.25 × 140,201.12 - Step 4: Simplify right side
242,171.35x = 46,853,987,544.20 - Step 5: Solve for x
x = 46,853,987,544.20/242,171.35 - Step 6: Final answer
x = 193,474.53
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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.