Finding the Fourth Proportional to 226,020.08, 311,908.92 and 125,418.08
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Solution
The fourth proportional to 226,020.08, 311,908.92 and 125,418.08 is: 173,077.62
Step by Step Solution
- Step 1: Write the proportion equation
226,020.08 : 311,908.92 = 125,418.08 : x - Step 2: Convert to fraction form
226,020.08/311,908.92 = 125,418.08/x - Step 3: Cross multiply
226,020.08x = 311,908.92 × 125,418.08 - Step 4: Simplify right side
226,020.08x = 39,119,017,881.27 - Step 5: Solve for x
x = 39,119,017,881.27/226,020.08 - Step 6: Final answer
x = 173,077.62
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1.5x scale
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.