Finding the Fourth Proportional to 486,188.97, 729,361.21 and 205,708.65
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Solution
The fourth proportional to 486,188.97, 729,361.21 and 205,708.65 is: 308,595.87
Step by Step Solution
- Step 1: Write the proportion equation
486,188.97 : 729,361.21 = 205,708.65 : x - Step 2: Convert to fraction form
486,188.97/729,361.21 = 205,708.65/x - Step 3: Cross multiply
486,188.97x = 729,361.21 × 205,708.65 - Step 4: Simplify right side
486,188.97x = 150,035,909,871.47 - Step 5: Solve for x
x = 150,035,909,871.47/486,188.97 - Step 6: Final answer
x = 308,595.87
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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.