Finding the Fourth Proportional to 211,268.06, 316,913.64 and 53,497.88
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Solution
The fourth proportional to 211,268.06, 316,913.64 and 53,497.88 is: 80,249.75
Step by Step Solution
- Step 1: Write the proportion equation
211,268.06 : 316,913.64 = 53,497.88 : x - Step 2: Convert to fraction form
211,268.06/316,913.64 = 53,497.88/x - Step 3: Cross multiply
211,268.06x = 316,913.64 × 53,497.88 - Step 4: Simplify right side
211,268.06x = 16,954,208,675.37 - Step 5: Solve for x
x = 16,954,208,675.37/211,268.06 - Step 6: Final answer
x = 80,249.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.