Finding the Fourth Proportional to 187,629.42, 258,923.58 and 107,055.48
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Solution
The fourth proportional to 187,629.42, 258,923.58 and 107,055.48 is: 147,733.70
Step by Step Solution
- Step 1: Write the proportion equation
187,629.42 : 258,923.58 = 107,055.48 : x - Step 2: Convert to fraction form
187,629.42/258,923.58 = 107,055.48/x - Step 3: Cross multiply
187,629.42x = 258,923.58 × 107,055.48 - Step 4: Simplify right side
187,629.42x = 27,719,188,140.22 - Step 5: Solve for x
x = 27,719,188,140.22/187,629.42 - Step 6: Final answer
x = 147,733.70
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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.