Finding the Fourth Proportional to 456,477.80, 684,716.70 and 190,149.80
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Solution
The fourth proportional to 456,477.80, 684,716.70 and 190,149.80 is: 285,224.70
Step by Step Solution
- Step 1: Write the proportion equation
456,477.80 : 684,716.70 = 190,149.80 : x - Step 2: Convert to fraction form
456,477.80/684,716.70 = 190,149.80/x - Step 3: Cross multiply
456,477.80x = 684,716.70 × 190,149.80 - Step 4: Simplify right side
456,477.80x = 130,198,743,561.66 - Step 5: Solve for x
x = 130,198,743,561.66/456,477.80 - Step 6: Final answer
x = 285,224.70
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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.