Finding the Fourth Proportional to 126,853.81, 190,296.30 and 41,462.62
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Solution
The fourth proportional to 126,853.81, 190,296.30 and 41,462.62 is: 62,199.02
Step by Step Solution
- Step 1: Write the proportion equation
126,853.81 : 190,296.30 = 41,462.62 : x - Step 2: Convert to fraction form
126,853.81/190,296.30 = 41,462.62/x - Step 3: Cross multiply
126,853.81x = 190,296.30 × 41,462.62 - Step 4: Simplify right side
126,853.81x = 7,890,183,174.31 - Step 5: Solve for x
x = 7,890,183,174.31/126,853.81 - Step 6: Final answer
x = 62,199.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.