Finding the Fourth Proportional to 222,820.09, 307,531.02 and 132,225.99
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Solution
The fourth proportional to 222,820.09, 307,531.02 and 132,225.99 is: 182,495.19
Step by Step Solution
- Step 1: Write the proportion equation
222,820.09 : 307,531.02 = 132,225.99 : x - Step 2: Convert to fraction form
222,820.09/307,531.02 = 132,225.99/x - Step 3: Cross multiply
222,820.09x = 307,531.02 × 132,225.99 - Step 4: Simplify right side
222,820.09x = 40,663,594,344.04 - Step 5: Solve for x
x = 40,663,594,344.04/222,820.09 - Step 6: Final answer
x = 182,495.19
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1.5x scale
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.