Finding the Fourth Proportional to 306,998.14, 460,546.44 and 129,531.31
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Solution
The fourth proportional to 306,998.14, 460,546.44 and 129,531.31 is: 194,317.74
Step by Step Solution
- Step 1: Write the proportion equation
306,998.14 : 460,546.44 = 129,531.31 : x - Step 2: Convert to fraction form
306,998.14/460,546.44 = 129,531.31/x - Step 3: Cross multiply
306,998.14x = 460,546.44 × 129,531.31 - Step 4: Simplify right side
306,998.14x = 59,655,183,689.04 - Step 5: Solve for x
x = 59,655,183,689.04/306,998.14 - Step 6: Final answer
x = 194,317.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.