Finding the Fourth Proportional to 115,495.21, 173,242.80 and 43,461.66
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Solution
The fourth proportional to 115,495.21, 173,242.80 and 43,461.66 is: 65,192.48
Step by Step Solution
- Step 1: Write the proportion equation
115,495.21 : 173,242.80 = 43,461.66 : x - Step 2: Convert to fraction form
115,495.21/173,242.80 = 43,461.66/x - Step 3: Cross multiply
115,495.21x = 173,242.80 × 43,461.66 - Step 4: Simplify right side
115,495.21x = 7,529,419,671.05 - Step 5: Solve for x
x = 7,529,419,671.05/115,495.21 - Step 6: Final answer
x = 65,192.48
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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.