Finding the Fourth Proportional to 236,499.22, 354,537.87 and 86,704.53
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Solution
The fourth proportional to 236,499.22, 354,537.87 and 86,704.53 is: 129,979.45
Step by Step Solution
- Step 1: Write the proportion equation
236,499.22 : 354,537.87 = 86,704.53 : x - Step 2: Convert to fraction form
236,499.22/354,537.87 = 86,704.53/x - Step 3: Cross multiply
236,499.22x = 354,537.87 × 86,704.53 - Step 4: Simplify right side
236,499.22x = 30,740,039,385.55 - Step 5: Solve for x
x = 30,740,039,385.55/236,499.22 - Step 6: Final answer
x = 129,979.45
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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.