Finding the Fourth Proportional to 416,990.21, 625,248.34 and 164,133.70
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Solution
The fourth proportional to 416,990.21, 625,248.34 and 164,133.70 is: 246,107.27
Step by Step Solution
- Step 1: Write the proportion equation
416,990.21 : 625,248.34 = 164,133.70 : x - Step 2: Convert to fraction form
416,990.21/625,248.34 = 164,133.70/x - Step 3: Cross multiply
416,990.21x = 625,248.34 × 164,133.70 - Step 4: Simplify right side
416,990.21x = 102,624,321,489.60 - Step 5: Solve for x
x = 102,624,321,489.60/416,990.21 - Step 6: Final answer
x = 246,107.27
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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.