Finding the Fourth Proportional to 138,287.79, 207,481.50 and 48,343.77
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Solution
The fourth proportional to 138,287.79, 207,481.50 and 48,343.77 is: 72,533.07
Step by Step Solution
- Step 1: Write the proportion equation
138,287.79 : 207,481.50 = 48,343.77 : x - Step 2: Convert to fraction form
138,287.79/207,481.50 = 48,343.77/x - Step 3: Cross multiply
138,287.79x = 207,481.50 × 48,343.77 - Step 4: Simplify right side
138,287.79x = 10,030,437,915.26 - Step 5: Solve for x
x = 10,030,437,915.26/138,287.79 - Step 6: Final answer
x = 72,533.07
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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.