Finding the Fourth Proportional to 456,104.84, 684,197.36 and 119,142.82
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Solution
The fourth proportional to 456,104.84, 684,197.36 and 119,142.82 is: 178,724.70
Step by Step Solution
- Step 1: Write the proportion equation
456,104.84 : 684,197.36 = 119,142.82 : x - Step 2: Convert to fraction form
456,104.84/684,197.36 = 119,142.82/x - Step 3: Cross multiply
456,104.84x = 684,197.36 × 119,142.82 - Step 4: Simplify right side
456,104.84x = 81,517,198,890.25 - Step 5: Solve for x
x = 81,517,198,890.25/456,104.84 - Step 6: Final answer
x = 178,724.70
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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.