Finding the Fourth Proportional to 483,912.16, 725,395.20 and 217,739.68
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Solution
The fourth proportional to 483,912.16, 725,395.20 and 217,739.68 is: 326,396.67
Step by Step Solution
- Step 1: Write the proportion equation
483,912.16 : 725,395.20 = 217,739.68 : x - Step 2: Convert to fraction form
483,912.16/725,395.20 = 217,739.68/x - Step 3: Cross multiply
483,912.16x = 725,395.20 × 217,739.68 - Step 4: Simplify right side
483,912.16x = 157,947,318,721.54 - Step 5: Solve for x
x = 157,947,318,721.54/483,912.16 - Step 6: Final answer
x = 326,396.67
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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.