Finding the Fourth Proportional to 257,325.27, 385,856.28 and 107,524.68
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Solution
The fourth proportional to 257,325.27, 385,856.28 and 107,524.68 is: 161,232.02
Step by Step Solution
- Step 1: Write the proportion equation
257,325.27 : 385,856.28 = 107,524.68 : x - Step 2: Convert to fraction form
257,325.27/385,856.28 = 107,524.68/x - Step 3: Cross multiply
257,325.27x = 385,856.28 × 107,524.68 - Step 4: Simplify right side
257,325.27x = 41,489,073,032.99 - Step 5: Solve for x
x = 41,489,073,032.99/257,325.27 - Step 6: Final answer
x = 161,232.02
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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.