Finding the Fourth Proportional to 211,379.79, 291,704.04 and 115,884.44
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Solution
The fourth proportional to 211,379.79, 291,704.04 and 115,884.44 is: 159,920.48
Step by Step Solution
- Step 1: Write the proportion equation
211,379.79 : 291,704.04 = 115,884.44 : x - Step 2: Convert to fraction form
211,379.79/291,704.04 = 115,884.44/x - Step 3: Cross multiply
211,379.79x = 291,704.04 × 115,884.44 - Step 4: Simplify right side
211,379.79x = 33,803,957,862.62 - Step 5: Solve for x
x = 33,803,957,862.62/211,379.79 - Step 6: Final answer
x = 159,920.48
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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.