Finding the Fourth Proportional to 664,883.13, 997,324.76 and 166,247.13
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Solution
The fourth proportional to 664,883.13, 997,324.76 and 166,247.13 is: 249,370.71
Step by Step Solution
- Step 1: Write the proportion equation
664,883.13 : 997,324.76 = 166,247.13 : x - Step 2: Convert to fraction form
664,883.13/997,324.76 = 166,247.13/x - Step 3: Cross multiply
664,883.13x = 997,324.76 × 166,247.13 - Step 4: Simplify right side
664,883.13x = 165,802,379,027.94 - Step 5: Solve for x
x = 165,802,379,027.94/664,883.13 - Step 6: Final answer
x = 249,370.71
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Similar ratio
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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.