Finding the Fourth Proportional to 211,145.44, 291,380.26 and 114,348.99
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Solution
The fourth proportional to 211,145.44, 291,380.26 and 114,348.99 is: 157,801.36
Step by Step Solution
- Step 1: Write the proportion equation
211,145.44 : 291,380.26 = 114,348.99 : x - Step 2: Convert to fraction form
211,145.44/291,380.26 = 114,348.99/x - Step 3: Cross multiply
211,145.44x = 291,380.26 × 114,348.99 - Step 4: Simplify right side
211,145.44x = 33,319,038,436.94 - Step 5: Solve for x
x = 33,319,038,436.94/211,145.44 - Step 6: Final answer
x = 157,801.36
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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.