Finding the Fourth Proportional to 211,170.94, 291,415.88 and 115,677.60
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Solution
The fourth proportional to 211,170.94, 291,415.88 and 115,677.60 is: 159,635.08
Step by Step Solution
- Step 1: Write the proportion equation
211,170.94 : 291,415.88 = 115,677.60 : x - Step 2: Convert to fraction form
211,170.94/291,415.88 = 115,677.60/x - Step 3: Cross multiply
211,170.94x = 291,415.88 × 115,677.60 - Step 4: Simplify right side
211,170.94x = 33,710,289,600.29 - Step 5: Solve for x
x = 33,710,289,600.29/211,170.94 - Step 6: Final answer
x = 159,635.08
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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.