Finding the Fourth Proportional to 664,265.80, 996,398.70 and 165,629.80
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Solution
The fourth proportional to 664,265.80, 996,398.70 and 165,629.80 is: 248,444.70
Step by Step Solution
- Step 1: Write the proportion equation
664,265.80 : 996,398.70 = 165,629.80 : x - Step 2: Convert to fraction form
664,265.80/996,398.70 = 165,629.80/x - Step 3: Cross multiply
664,265.80x = 996,398.70 × 165,629.80 - Step 4: Simplify right side
664,265.80x = 165,033,317,401.26 - Step 5: Solve for x
x = 165,033,317,401.26/664,265.80 - Step 6: Final answer
x = 248,444.70
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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.