Finding the Fourth Proportional to 232,819.19, 321,317.12 and 129,463.69
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Solution
The fourth proportional to 232,819.19, 321,317.12 and 129,463.69 is: 178,674.70
Step by Step Solution
- Step 1: Write the proportion equation
232,819.19 : 321,317.12 = 129,463.69 : x - Step 2: Convert to fraction form
232,819.19/321,317.12 = 129,463.69/x - Step 3: Cross multiply
232,819.19x = 321,317.12 × 129,463.69 - Step 4: Simplify right side
232,819.19x = 41,598,899,368.05 - Step 5: Solve for x
x = 41,598,899,368.05/232,819.19 - Step 6: Final answer
x = 178,674.70
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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.