Finding the Fourth Proportional to 207,733.41, 286,708.41 and 122,855.94
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Solution
The fourth proportional to 207,733.41, 286,708.41 and 122,855.94 is: 169,562.67
Step by Step Solution
- Step 1: Write the proportion equation
207,733.41 : 286,708.41 = 122,855.94 : x - Step 2: Convert to fraction form
207,733.41/286,708.41 = 122,855.94/x - Step 3: Cross multiply
207,733.41x = 286,708.41 × 122,855.94 - Step 4: Simplify right side
207,733.41x = 35,223,831,216.46 - Step 5: Solve for x
x = 35,223,831,216.46/207,733.41 - Step 6: Final answer
x = 169,562.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.