Finding the Fourth Proportional to 291,268.26, 401,924.59 and 162,196.99
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Solution
The fourth proportional to 291,268.26, 401,924.59 and 162,196.99 is: 223,817.59
Step by Step Solution
- Step 1: Write the proportion equation
291,268.26 : 401,924.59 = 162,196.99 : x - Step 2: Convert to fraction form
291,268.26/401,924.59 = 162,196.99/x - Step 3: Cross multiply
291,268.26x = 401,924.59 × 162,196.99 - Step 4: Simplify right side
291,268.26x = 65,190,958,704.98 - Step 5: Solve for x
x = 65,190,958,704.98/291,268.26 - Step 6: Final answer
x = 223,817.59
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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.