Finding the Fourth Proportional to 189,915.17, 284,911.17 and 84,734.13
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Solution
The fourth proportional to 189,915.17, 284,911.17 and 84,734.13 is: 127,118.33
Step by Step Solution
- Step 1: Write the proportion equation
189,915.17 : 284,911.17 = 84,734.13 : x - Step 2: Convert to fraction form
189,915.17/284,911.17 = 84,734.13/x - Step 3: Cross multiply
189,915.17x = 284,911.17 × 84,734.13 - Step 4: Simplify right side
189,915.17x = 24,141,700,117.23 - Step 5: Solve for x
x = 24,141,700,117.23/189,915.17 - Step 6: Final answer
x = 127,118.33
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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.