Finding the Fourth Proportional to 236,415.40, 354,623.10 and 161,765.80
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Solution
The fourth proportional to 236,415.40, 354,623.10 and 161,765.80 is: 242,648.70
Step by Step Solution
- Step 1: Write the proportion equation
236,415.40 : 354,623.10 = 161,765.80 : x - Step 2: Convert to fraction form
236,415.40/354,623.10 = 161,765.80/x - Step 3: Cross multiply
236,415.40x = 354,623.10 × 161,765.80 - Step 4: Simplify right side
236,415.40x = 57,365,889,469.98 - Step 5: Solve for x
x = 57,365,889,469.98/236,415.40 - Step 6: Final answer
x = 242,648.70
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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.