Finding the Fourth Proportional to 189,450.21, 283,971.94 and 94,492.80
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Solution
The fourth proportional to 189,450.21, 283,971.94 and 94,492.80 is: 141,637.76
Step by Step Solution
- Step 1: Write the proportion equation
189,450.21 : 283,971.94 = 94,492.80 : x - Step 2: Convert to fraction form
189,450.21/283,971.94 = 94,492.80/x - Step 3: Cross multiply
189,450.21x = 283,971.94 × 94,492.80 - Step 4: Simplify right side
189,450.21x = 26,833,303,732.03 - Step 5: Solve for x
x = 26,833,303,732.03/189,450.21 - Step 6: Final answer
x = 141,637.76
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1.5x scale
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.