Finding the Fourth Proportional to 181,206.21, 271,689.35 and 86,451.02
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Solution
The fourth proportional to 181,206.21, 271,689.35 and 86,451.02 is: 129,619.30
Step by Step Solution
- Step 1: Write the proportion equation
181,206.21 : 271,689.35 = 86,451.02 : x - Step 2: Convert to fraction form
181,206.21/271,689.35 = 86,451.02/x - Step 3: Cross multiply
181,206.21x = 271,689.35 × 86,451.02 - Step 4: Simplify right side
181,206.21x = 23,487,821,430.64 - Step 5: Solve for x
x = 23,487,821,430.64/181,206.21 - Step 6: Final answer
x = 129,619.30
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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.