Finding the Fourth Proportional to 356,081.22, 534,120.18 and 145,719.18
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Solution
The fourth proportional to 356,081.22, 534,120.18 and 145,719.18 is: 218,578.09
Step by Step Solution
- Step 1: Write the proportion equation
356,081.22 : 534,120.18 = 145,719.18 : x - Step 2: Convert to fraction form
356,081.22/534,120.18 = 145,719.18/x - Step 3: Cross multiply
356,081.22x = 534,120.18 × 145,719.18 - Step 4: Simplify right side
356,081.22x = 77,831,554,651.05 - Step 5: Solve for x
x = 77,831,554,651.05/356,081.22 - Step 6: Final answer
x = 218,578.09
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1.5x scale
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.