Finding the Fourth Proportional to 202,904.99, 279,998.62 and 111,022.29
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Solution
The fourth proportional to 202,904.99, 279,998.62 and 111,022.29 is: 153,205.14
Step by Step Solution
- Step 1: Write the proportion equation
202,904.99 : 279,998.62 = 111,022.29 : x - Step 2: Convert to fraction form
202,904.99/279,998.62 = 111,022.29/x - Step 3: Cross multiply
202,904.99x = 279,998.62 × 111,022.29 - Step 4: Simplify right side
202,904.99x = 31,086,087,989.24 - Step 5: Solve for x
x = 31,086,087,989.24/202,904.99 - Step 6: Final answer
x = 153,205.14
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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.