Finding the Fourth Proportional to 343,652.60, 515,467.56 and 141,241.70
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Solution
The fourth proportional to 343,652.60, 515,467.56 and 141,241.70 is: 211,857.89
Step by Step Solution
- Step 1: Write the proportion equation
343,652.60 : 515,467.56 = 141,241.70 : x - Step 2: Convert to fraction form
343,652.60/515,467.56 = 141,241.70/x - Step 3: Cross multiply
343,652.60x = 515,467.56 × 141,241.70 - Step 4: Simplify right side
343,652.60x = 72,805,514,469.25 - Step 5: Solve for x
x = 72,805,514,469.25/343,652.60 - Step 6: Final answer
x = 211,857.89
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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.