Finding the Fourth Proportional to 291,115.35, 401,736.33 and 162,051.84
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Solution
The fourth proportional to 291,115.35, 401,736.33 and 162,051.84 is: 223,629.95
Step by Step Solution
- Step 1: Write the proportion equation
291,115.35 : 401,736.33 = 162,051.84 : x - Step 2: Convert to fraction form
291,115.35/401,736.33 = 162,051.84/x - Step 3: Cross multiply
291,115.35x = 401,736.33 × 162,051.84 - Step 4: Simplify right side
291,115.35x = 65,102,111,471.35 - Step 5: Solve for x
x = 65,102,111,471.35/291,115.35 - Step 6: Final answer
x = 223,629.95
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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.