Finding the Fourth Proportional to 222,819.19, 307,490.99 and 127,325.66
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Solution
The fourth proportional to 222,819.19, 307,490.99 and 127,325.66 is: 175,709.69
Step by Step Solution
- Step 1: Write the proportion equation
222,819.19 : 307,490.99 = 127,325.66 : x - Step 2: Convert to fraction form
222,819.19/307,490.99 = 127,325.66/x - Step 3: Cross multiply
222,819.19x = 307,490.99 × 127,325.66 - Step 4: Simplify right side
222,819.19x = 39,151,491,071.72 - Step 5: Solve for x
x = 39,151,491,071.72/222,819.19 - Step 6: Final answer
x = 175,709.69
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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.