Finding the Fourth Proportional to 242,174.36, 334,195.38 and 140,204.12
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Solution
The fourth proportional to 242,174.36, 334,195.38 and 140,204.12 is: 193,478.65
Step by Step Solution
- Step 1: Write the proportion equation
242,174.36 : 334,195.38 = 140,204.12 : x - Step 2: Convert to fraction form
242,174.36/334,195.38 = 140,204.12/x - Step 3: Cross multiply
242,174.36x = 334,195.38 × 140,204.12 - Step 4: Simplify right side
242,174.36x = 46,855,569,160.97 - Step 5: Solve for x
x = 46,855,569,160.97/242,174.36 - Step 6: Final answer
x = 193,478.65
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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.