Finding the Fourth Proportional to 480,747.05, 721,227.18 and 181,230.21
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Solution
The fourth proportional to 480,747.05, 721,227.18 and 181,230.21 is: 271,885.50
Step by Step Solution
- Step 1: Write the proportion equation
480,747.05 : 721,227.18 = 181,230.21 : x - Step 2: Convert to fraction form
480,747.05/721,227.18 = 181,230.21/x - Step 3: Cross multiply
480,747.05x = 721,227.18 × 181,230.21 - Step 4: Simplify right side
480,747.05x = 130,708,149,682.97 - Step 5: Solve for x
x = 130,708,149,682.97/480,747.05 - Step 6: Final answer
x = 271,885.50
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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.