Finding the Fourth Proportional to 291,163.60, 401,794.51 and 162,107.14
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Solution
The fourth proportional to 291,163.60, 401,794.51 and 162,107.14 is: 223,701.59
Step by Step Solution
- Step 1: Write the proportion equation
291,163.60 : 401,794.51 = 162,107.14 : x - Step 2: Convert to fraction form
291,163.60/401,794.51 = 162,107.14/x - Step 3: Cross multiply
291,163.60x = 401,794.51 × 162,107.14 - Step 4: Simplify right side
291,163.60x = 65,133,758,883.80 - Step 5: Solve for x
x = 65,133,758,883.80/291,163.60 - Step 6: Final answer
x = 223,701.59
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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.