Finding the Fourth Proportional to 183,771.18, 253,631.66 and 112,192.70
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Solution
The fourth proportional to 183,771.18, 253,631.66 and 112,192.70 is: 154,842.66
Step by Step Solution
- Step 1: Write the proportion equation
183,771.18 : 253,631.66 = 112,192.70 : x - Step 2: Convert to fraction form
183,771.18/253,631.66 = 112,192.70/x - Step 3: Cross multiply
183,771.18x = 253,631.66 × 112,192.70 - Step 4: Simplify right side
183,771.18x = 28,455,618,911.76 - Step 5: Solve for x
x = 28,455,618,911.76/183,771.18 - Step 6: Final answer
x = 154,842.66
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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.