Finding the Fourth Proportional to 127,943.70, 191,915.55 and 44,837.70
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Solution
The fourth proportional to 127,943.70, 191,915.55 and 44,837.70 is: 67,256.55
Step by Step Solution
- Step 1: Write the proportion equation
127,943.70 : 191,915.55 = 44,837.70 : x - Step 2: Convert to fraction form
127,943.70/191,915.55 = 44,837.70/x - Step 3: Cross multiply
127,943.70x = 191,915.55 × 44,837.70 - Step 4: Simplify right side
127,943.70x = 8,605,051,856.24 - Step 5: Solve for x
x = 8,605,051,856.24/127,943.70 - Step 6: Final answer
x = 67,256.55
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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.