Finding the Fourth Proportional to 462,812.40, 694,272.60 and 147,301.20
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Solution
The fourth proportional to 462,812.40, 694,272.60 and 147,301.20 is: 220,968.99
Step by Step Solution
- Step 1: Write the proportion equation
462,812.40 : 694,272.60 = 147,301.20 : x - Step 2: Convert to fraction form
462,812.40/694,272.60 = 147,301.20/x - Step 3: Cross multiply
462,812.40x = 694,272.60 × 147,301.20 - Step 4: Simplify right side
462,812.40x = 102,267,187,107.12 - Step 5: Solve for x
x = 102,267,187,107.12/462,812.40 - Step 6: Final answer
x = 220,968.99
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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.