Finding the Fourth Proportional to 211,722.21, 292,175.39 and 114,928.00
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Solution
The fourth proportional to 211,722.21, 292,175.39 and 114,928.00 is: 158,599.95
Step by Step Solution
- Step 1: Write the proportion equation
211,722.21 : 292,175.39 = 114,928.00 : x - Step 2: Convert to fraction form
211,722.21/292,175.39 = 114,928.00/x - Step 3: Cross multiply
211,722.21x = 292,175.39 × 114,928.00 - Step 4: Simplify right side
211,722.21x = 33,579,132,778.80 - Step 5: Solve for x
x = 33,579,132,778.80/211,722.21 - Step 6: Final answer
x = 158,599.95
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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.