Finding the Fourth Proportional to 480,777.21, 721,333.08 and 181,343.70
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Solution
The fourth proportional to 480,777.21, 721,333.08 and 181,343.70 is: 272,078.64
Step by Step Solution
- Step 1: Write the proportion equation
480,777.21 : 721,333.08 = 181,343.70 : x - Step 2: Convert to fraction form
480,777.21/721,333.08 = 181,343.70/x - Step 3: Cross multiply
480,777.21x = 721,333.08 × 181,343.70 - Step 4: Simplify right side
480,777.21x = 130,809,209,659.60 - Step 5: Solve for x
x = 130,809,209,659.60/480,777.21 - Step 6: Final answer
x = 272,078.64
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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.