Finding the Fourth Proportional to 211,037.05, 291,232.83 and 115,544.53
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Solution
The fourth proportional to 211,037.05, 291,232.83 and 115,544.53 is: 159,452.38
Step by Step Solution
- Step 1: Write the proportion equation
211,037.05 : 291,232.83 = 115,544.53 : x - Step 2: Convert to fraction form
211,037.05/291,232.83 = 115,544.53/x - Step 3: Cross multiply
211,037.05x = 291,232.83 × 115,544.53 - Step 4: Simplify right side
211,037.05x = 33,650,360,462.92 - Step 5: Solve for x
x = 33,650,360,462.92/211,037.05 - Step 6: Final answer
x = 159,452.38
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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.