Finding the Fourth Proportional to 664,220.80, 996,331.20 and 214,974.55
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Solution
The fourth proportional to 664,220.80, 996,331.20 and 214,974.55 is: 322,461.83
Step by Step Solution
- Step 1: Write the proportion equation
664,220.80 : 996,331.20 = 214,974.55 : x - Step 2: Convert to fraction form
664,220.80/996,331.20 = 214,974.55/x - Step 3: Cross multiply
664,220.80x = 996,331.20 × 214,974.55 - Step 4: Simplify right side
664,220.80x = 214,185,851,370.96 - Step 5: Solve for x
x = 214,185,851,370.96/664,220.80 - Step 6: Final answer
x = 322,461.83
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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.