Finding the Fourth Proportional to 489,451.68, 734,035.44 and 205,134.78
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Solution
The fourth proportional to 489,451.68, 734,035.44 and 205,134.78 is: 307,642.62
Step by Step Solution
- Step 1: Write the proportion equation
489,451.68 : 734,035.44 = 205,134.78 : x - Step 2: Convert to fraction form
489,451.68/734,035.44 = 205,134.78/x - Step 3: Cross multiply
489,451.68x = 734,035.44 × 205,134.78 - Step 4: Simplify right side
489,451.68x = 150,576,198,496.60 - Step 5: Solve for x
x = 150,576,198,496.60/489,451.68 - Step 6: Final answer
x = 307,642.62
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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.