Finding the Fourth Proportional to 213,117.08, 319,571.94 and 113,325.08
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Solution
The fourth proportional to 213,117.08, 319,571.94 and 113,325.08 is: 169,932.49
Step by Step Solution
- Step 1: Write the proportion equation
213,117.08 : 319,571.94 = 113,325.08 : x - Step 2: Convert to fraction form
213,117.08/319,571.94 = 113,325.08/x - Step 3: Cross multiply
213,117.08x = 319,571.94 × 113,325.08 - Step 4: Simplify right side
213,117.08x = 36,215,515,666.26 - Step 5: Solve for x
x = 36,215,515,666.26/213,117.08 - Step 6: Final answer
x = 169,932.49
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1.5x scale
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.