Finding the Fourth Proportional to 447,739.20, 671,731.44 and 132,195.84
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Solution
The fourth proportional to 447,739.20, 671,731.44 and 132,195.84 is: 198,329.97
Step by Step Solution
- Step 1: Write the proportion equation
447,739.20 : 671,731.44 = 132,195.84 : x - Step 2: Convert to fraction form
447,739.20/671,731.44 = 132,195.84/x - Step 3: Cross multiply
447,739.20x = 671,731.44 × 132,195.84 - Step 4: Simplify right side
447,739.20x = 88,800,101,965.21 - Step 5: Solve for x
x = 88,800,101,965.21/447,739.20 - Step 6: Final answer
x = 198,329.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.