Finding the Fourth Proportional to 243,645.26, 365,492.96 and 91,970.09
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Solution
The fourth proportional to 243,645.26, 365,492.96 and 91,970.09 is: 137,964.60
Step by Step Solution
- Step 1: Write the proportion equation
243,645.26 : 365,492.96 = 91,970.09 : x - Step 2: Convert to fraction form
243,645.26/365,492.96 = 91,970.09/x - Step 3: Cross multiply
243,645.26x = 365,492.96 × 91,970.09 - Step 4: Simplify right side
243,645.26x = 33,614,420,425.57 - Step 5: Solve for x
x = 33,614,420,425.57/243,645.26 - Step 6: Final answer
x = 137,964.60
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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.