Finding the Fourth Proportional to 211,184.25, 291,431.93 and 114,385.70
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Solution
The fourth proportional to 211,184.25, 291,431.93 and 114,385.70 is: 157,851.00
Step by Step Solution
- Step 1: Write the proportion equation
211,184.25 : 291,431.93 = 114,385.70 : x - Step 2: Convert to fraction form
211,184.25/291,431.93 = 114,385.70/x - Step 3: Cross multiply
211,184.25x = 291,431.93 × 114,385.70 - Step 4: Simplify right side
211,184.25x = 33,335,645,472.05 - Step 5: Solve for x
x = 33,335,645,472.05/211,184.25 - Step 6: Final answer
x = 157,851.00
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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.