Finding the Fourth Proportional to 205,935.58, 284,177.73 and 115,290.79
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Solution
The fourth proportional to 205,935.58, 284,177.73 and 115,290.79 is: 159,093.80
Step by Step Solution
- Step 1: Write the proportion equation
205,935.58 : 284,177.73 = 115,290.79 : x - Step 2: Convert to fraction form
205,935.58/284,177.73 = 115,290.79/x - Step 3: Cross multiply
205,935.58x = 284,177.73 × 115,290.79 - Step 4: Simplify right side
205,935.58x = 32,763,074,992.11 - Step 5: Solve for x
x = 32,763,074,992.11/205,935.58 - Step 6: Final answer
x = 159,093.80
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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.