Finding the Fourth Proportional to 202,256.70, 303,385.05 and 83,915.70
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Solution
The fourth proportional to 202,256.70, 303,385.05 and 83,915.70 is: 125,873.55
Step by Step Solution
- Step 1: Write the proportion equation
202,256.70 : 303,385.05 = 83,915.70 : x - Step 2: Convert to fraction form
202,256.70/303,385.05 = 83,915.70/x - Step 3: Cross multiply
202,256.70x = 303,385.05 × 83,915.70 - Step 4: Simplify right side
202,256.70x = 25,458,768,840.29 - Step 5: Solve for x
x = 25,458,768,840.29/202,256.70 - Step 6: Final answer
x = 125,873.55
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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.