Finding the Fourth Proportional to 162,080.21, 223,402.97 and 108,345.62
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Solution
The fourth proportional to 162,080.21, 223,402.97 and 108,345.62 is: 149,337.99
Step by Step Solution
- Step 1: Write the proportion equation
162,080.21 : 223,402.97 = 108,345.62 : x - Step 2: Convert to fraction form
162,080.21/223,402.97 = 108,345.62/x - Step 3: Cross multiply
162,080.21x = 223,402.97 × 108,345.62 - Step 4: Simplify right side
162,080.21x = 24,204,731,635.75 - Step 5: Solve for x
x = 24,204,731,635.75/162,080.21 - Step 6: Final answer
x = 149,337.99
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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.