Finding the Fourth Proportional to 286,687.04, 430,117.60 and 115,821.12
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Solution
The fourth proportional to 286,687.04, 430,117.60 and 115,821.12 is: 173,766.84
Step by Step Solution
- Step 1: Write the proportion equation
286,687.04 : 430,117.60 = 115,821.12 : x - Step 2: Convert to fraction form
286,687.04/430,117.60 = 115,821.12/x - Step 3: Cross multiply
286,687.04x = 430,117.60 × 115,821.12 - Step 4: Simplify right side
286,687.04x = 49,816,702,163.71 - Step 5: Solve for x
x = 49,816,702,163.71/286,687.04 - Step 6: Final answer
x = 173,766.84
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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.