Finding the Fourth Proportional to 471,672.86, 707,619.99 and 156,129.75
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Solution
The fourth proportional to 471,672.86, 707,619.99 and 156,129.75 is: 234,231.27
Step by Step Solution
- Step 1: Write the proportion equation
471,672.86 : 707,619.99 = 156,129.75 : x - Step 2: Convert to fraction form
471,672.86/707,619.99 = 156,129.75/x - Step 3: Cross multiply
471,672.86x = 707,619.99 × 156,129.75 - Step 4: Simplify right side
471,672.86x = 110,480,532,133.70 - Step 5: Solve for x
x = 110,480,532,133.70/471,672.86 - Step 6: Final answer
x = 234,231.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.