Finding the Fourth Proportional to 664,863.75, 997,295.63 and 166,227.75
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Solution
The fourth proportional to 664,863.75, 997,295.63 and 166,227.75 is: 249,341.63
Step by Step Solution
- Step 1: Write the proportion equation
664,863.75 : 997,295.63 = 166,227.75 : x - Step 2: Convert to fraction form
664,863.75/997,295.63 = 166,227.75/x - Step 3: Cross multiply
664,863.75x = 997,295.63 × 166,227.75 - Step 4: Simplify right side
664,863.75x = 165,778,207,828.59 - Step 5: Solve for x
x = 165,778,207,828.59/664,863.75 - Step 6: Final answer
x = 249,341.63
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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.