Finding the Fourth Proportional to 157,956.41, 236,976.17 and 56,764.68
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Solution
The fourth proportional to 157,956.41, 236,976.17 and 56,764.68 is: 85,161.95
Step by Step Solution
- Step 1: Write the proportion equation
157,956.41 : 236,976.17 = 56,764.68 : x - Step 2: Convert to fraction form
157,956.41/236,976.17 = 56,764.68/x - Step 3: Cross multiply
157,956.41x = 236,976.17 × 56,764.68 - Step 4: Simplify right side
157,956.41x = 13,451,876,173.85 - Step 5: Solve for x
x = 13,451,876,173.85/157,956.41 - Step 6: Final answer
x = 85,161.95
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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.