Finding the Fourth Proportional to 211,170.05, 316,752.42 and 51,247.31
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Solution
The fourth proportional to 211,170.05, 316,752.42 and 51,247.31 is: 76,870.31
Step by Step Solution
- Step 1: Write the proportion equation
211,170.05 : 316,752.42 = 51,247.31 : x - Step 2: Convert to fraction form
211,170.05/316,752.42 = 51,247.31/x - Step 3: Cross multiply
211,170.05x = 316,752.42 × 51,247.31 - Step 4: Simplify right side
211,170.05x = 16,232,707,877.23 - Step 5: Solve for x
x = 16,232,707,877.23/211,170.05 - Step 6: Final answer
x = 76,870.31
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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.