Finding the Fourth Proportional to 205,643.09, 283,785.50 and 114,998.02
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Solution
The fourth proportional to 205,643.09, 283,785.50 and 114,998.02 is: 158,696.17
Step by Step Solution
- Step 1: Write the proportion equation
205,643.09 : 283,785.50 = 114,998.02 : x - Step 2: Convert to fraction form
205,643.09/283,785.50 = 114,998.02/x - Step 3: Cross multiply
205,643.09x = 283,785.50 × 114,998.02 - Step 4: Simplify right side
205,643.09x = 32,634,770,182.74 - Step 5: Solve for x
x = 32,634,770,182.74/205,643.09 - Step 6: Final answer
x = 158,696.17
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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.