Finding the Fourth Proportional to 183,770.40, 253,642.68 and 112,135.08
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Solution
The fourth proportional to 183,770.40, 253,642.68 and 112,135.08 is: 154,770.53
Step by Step Solution
- Step 1: Write the proportion equation
183,770.40 : 253,642.68 = 112,135.08 : x - Step 2: Convert to fraction form
183,770.40/253,642.68 = 112,135.08/x - Step 3: Cross multiply
183,770.40x = 253,642.68 × 112,135.08 - Step 4: Simplify right side
183,770.40x = 28,442,242,213.21 - Step 5: Solve for x
x = 28,442,242,213.21/183,770.40 - Step 6: Final answer
x = 154,770.53
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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.