Finding the Fourth Proportional to 211,556.48, 291,933.12 and 116,060.96
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Solution
The fourth proportional to 211,556.48, 291,933.12 and 116,060.96 is: 160,155.99
Step by Step Solution
- Step 1: Write the proportion equation
211,556.48 : 291,933.12 = 116,060.96 : x - Step 2: Convert to fraction form
211,556.48/291,933.12 = 116,060.96/x - Step 3: Cross multiply
211,556.48x = 291,933.12 × 116,060.96 - Step 4: Simplify right side
211,556.48x = 33,882,038,163.00 - Step 5: Solve for x
x = 33,882,038,163.00/211,556.48 - Step 6: Final answer
x = 160,155.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.