Finding the Fourth Proportional to 347,777.44, 521,696.40 and 98,461.60
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Solution
The fourth proportional to 347,777.44, 521,696.40 and 98,461.60 is: 147,700.96
Step by Step Solution
- Step 1: Write the proportion equation
347,777.44 : 521,696.40 = 98,461.60 : x - Step 2: Convert to fraction form
347,777.44/521,696.40 = 98,461.60/x - Step 3: Cross multiply
347,777.44x = 521,696.40 × 98,461.60 - Step 4: Simplify right side
347,777.44x = 51,367,062,258.24 - Step 5: Solve for x
x = 51,367,062,258.24/347,777.44 - Step 6: Final answer
x = 147,700.96
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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.