Finding the Fourth Proportional to 77,197.14, 115,676.15 and 53,550.68
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Solution
The fourth proportional to 77,197.14, 115,676.15 and 53,550.68 is: 80,243.07
Step by Step Solution
- Step 1: Write the proportion equation
77,197.14 : 115,676.15 = 53,550.68 : x - Step 2: Convert to fraction form
77,197.14/115,676.15 = 53,550.68/x - Step 3: Cross multiply
77,197.14x = 115,676.15 × 53,550.68 - Step 4: Simplify right side
77,197.14x = 6,194,535,646.15 - Step 5: Solve for x
x = 6,194,535,646.15/77,197.14 - Step 6: Final answer
x = 80,243.07
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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.