Finding the Fourth Proportional to 211,546.74, 291,891.58 and 125,467.95
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Solution
The fourth proportional to 211,546.74, 291,891.58 and 125,467.95 is: 173,120.31
Step by Step Solution
- Step 1: Write the proportion equation
211,546.74 : 291,891.58 = 125,467.95 : x - Step 2: Convert to fraction form
211,546.74/291,891.58 = 125,467.95/x - Step 3: Cross multiply
211,546.74x = 291,891.58 × 125,467.95 - Step 4: Simplify right side
211,546.74x = 36,623,038,164.86 - Step 5: Solve for x
x = 36,623,038,164.86/211,546.74 - Step 6: Final answer
x = 173,120.31
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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.