Finding the Fourth Proportional to 331,232.29, 457,102.74 and 187,994.72
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Solution
The fourth proportional to 331,232.29, 457,102.74 and 187,994.72 is: 259,433.96
Step by Step Solution
- Step 1: Write the proportion equation
331,232.29 : 457,102.74 = 187,994.72 : x - Step 2: Convert to fraction form
331,232.29/457,102.74 = 187,994.72/x - Step 3: Cross multiply
331,232.29x = 457,102.74 × 187,994.72 - Step 4: Simplify right side
331,232.29x = 85,932,903,465.27 - Step 5: Solve for x
x = 85,932,903,465.27/331,232.29 - Step 6: Final answer
x = 259,433.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.