Finding the Fourth Proportional to 143,041.68, 214,492.59 and 43,183.26
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Solution
The fourth proportional to 143,041.68, 214,492.59 and 43,183.26 is: 64,753.78
Step by Step Solution
- Step 1: Write the proportion equation
143,041.68 : 214,492.59 = 43,183.26 : x - Step 2: Convert to fraction form
143,041.68/214,492.59 = 43,183.26/x - Step 3: Cross multiply
143,041.68x = 214,492.59 × 43,183.26 - Step 4: Simplify right side
143,041.68x = 9,262,489,282.04 - Step 5: Solve for x
x = 9,262,489,282.04/143,041.68 - Step 6: Final answer
x = 64,753.78
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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.