Finding the Fourth Proportional to 217,193.40, 299,670.12 and 125,290.44
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Solution
The fourth proportional to 217,193.40, 299,670.12 and 125,290.44 is: 172,868.06
Step by Step Solution
- Step 1: Write the proportion equation
217,193.40 : 299,670.12 = 125,290.44 : x - Step 2: Convert to fraction form
217,193.40/299,670.12 = 125,290.44/x - Step 3: Cross multiply
217,193.40x = 299,670.12 × 125,290.44 - Step 4: Simplify right side
217,193.40x = 37,545,801,189.65 - Step 5: Solve for x
x = 37,545,801,189.65/217,193.40 - Step 6: Final answer
x = 172,868.06
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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.