Finding the Fourth Proportional to 134,824.40, 202,366.20 and 68,339.60
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Solution
The fourth proportional to 134,824.40, 202,366.20 and 68,339.60 is: 102,575.09
Step by Step Solution
- Step 1: Write the proportion equation
134,824.40 : 202,366.20 = 68,339.60 : x - Step 2: Convert to fraction form
134,824.40/202,366.20 = 68,339.60/x - Step 3: Cross multiply
134,824.40x = 202,366.20 × 68,339.60 - Step 4: Simplify right side
134,824.40x = 13,829,625,161.52 - Step 5: Solve for x
x = 13,829,625,161.52/134,824.40 - Step 6: Final answer
x = 102,575.09
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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.