Finding the Fourth Proportional to 343,372.80, 515,010.60 and 106,739.40
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Solution
The fourth proportional to 343,372.80, 515,010.60 and 106,739.40 is: 160,093.99
Step by Step Solution
- Step 1: Write the proportion equation
343,372.80 : 515,010.60 = 106,739.40 : x - Step 2: Convert to fraction form
343,372.80/515,010.60 = 106,739.40/x - Step 3: Cross multiply
343,372.80x = 515,010.60 × 106,739.40 - Step 4: Simplify right side
343,372.80x = 54,971,922,437.64 - Step 5: Solve for x
x = 54,971,922,437.64/343,372.80 - Step 6: Final answer
x = 160,093.99
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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.