Finding the Fourth Proportional to 86,234.68, 129,346.82 and 32,188.96
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Solution
The fourth proportional to 86,234.68, 129,346.82 and 32,188.96 is: 48,281.50
Step by Step Solution
- Step 1: Write the proportion equation
86,234.68 : 129,346.82 = 32,188.96 : x - Step 2: Convert to fraction form
86,234.68/129,346.82 = 32,188.96/x - Step 3: Cross multiply
86,234.68x = 129,346.82 × 32,188.96 - Step 4: Simplify right side
86,234.68x = 4,163,539,371.94 - Step 5: Solve for x
x = 4,163,539,371.94/86,234.68 - Step 6: Final answer
x = 48,281.50
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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.