Finding the Fourth Proportional to 217,783.08, 327,953.79 and 190,034.10
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Solution
The fourth proportional to 217,783.08, 327,953.79 and 190,034.10 is: 286,167.33
Step by Step Solution
- Step 1: Write the proportion equation
217,783.08 : 327,953.79 = 190,034.10 : x - Step 2: Convert to fraction form
217,783.08/327,953.79 = 190,034.10/x - Step 3: Cross multiply
217,783.08x = 327,953.79 × 190,034.10 - Step 4: Simplify right side
217,783.08x = 62,322,403,324.24 - Step 5: Solve for x
x = 62,322,403,324.24/217,783.08 - Step 6: Final answer
x = 286,167.33
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.