Finding the Fourth Proportional to 79,239.36, 118,858.14 and 19,268.19
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Solution
The fourth proportional to 79,239.36, 118,858.14 and 19,268.19 is: 28,902.07
Step by Step Solution
- Step 1: Write the proportion equation
79,239.36 : 118,858.14 = 19,268.19 : x - Step 2: Convert to fraction form
79,239.36/118,858.14 = 19,268.19/x - Step 3: Cross multiply
79,239.36x = 118,858.14 × 19,268.19 - Step 4: Simplify right side
79,239.36x = 2,290,181,224.57 - Step 5: Solve for x
x = 2,290,181,224.57/79,239.36 - Step 6: Final answer
x = 28,902.07
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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.