Finding the Fourth Proportional to 173,699.60, 260,743.80 and 134,430.80
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Solution
The fourth proportional to 173,699.60, 260,743.80 and 134,430.80 is: 201,796.65
Step by Step Solution
- Step 1: Write the proportion equation
173,699.60 : 260,743.80 = 134,430.80 : x - Step 2: Convert to fraction form
173,699.60/260,743.80 = 134,430.80/x - Step 3: Cross multiply
173,699.60x = 260,743.80 × 134,430.80 - Step 4: Simplify right side
173,699.60x = 35,051,997,629.04 - Step 5: Solve for x
x = 35,051,997,629.04/173,699.60 - Step 6: Final answer
x = 201,796.65
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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.