Finding the Fourth Proportional to 207,932.24, 286,946.49 and 112,438.94
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Solution
The fourth proportional to 207,932.24, 286,946.49 and 112,438.94 is: 155,165.73
Step by Step Solution
- Step 1: Write the proportion equation
207,932.24 : 286,946.49 = 112,438.94 : x - Step 2: Convert to fraction form
207,932.24/286,946.49 = 112,438.94/x - Step 3: Cross multiply
207,932.24x = 286,946.49 × 112,438.94 - Step 4: Simplify right side
207,932.24x = 32,263,957,737.59 - Step 5: Solve for x
x = 32,263,957,737.59/207,932.24 - Step 6: Final answer
x = 155,165.73
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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.