Finding the Fourth Proportional to 211,182.44, 316,800.08 and 69,042.02
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Solution
The fourth proportional to 211,182.44, 316,800.08 and 69,042.02 is: 103,571.67
Step by Step Solution
- Step 1: Write the proportion equation
211,182.44 : 316,800.08 = 69,042.02 : x - Step 2: Convert to fraction form
211,182.44/316,800.08 = 69,042.02/x - Step 3: Cross multiply
211,182.44x = 316,800.08 × 69,042.02 - Step 4: Simplify right side
211,182.44x = 21,872,517,459.36 - Step 5: Solve for x
x = 21,872,517,459.36/211,182.44 - Step 6: Final answer
x = 103,571.67
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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.