Finding the Fourth Proportional to 269,516.99, 371,935.19 and 148,661.54
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Solution
The fourth proportional to 269,516.99, 371,935.19 and 148,661.54 is: 205,153.89
Step by Step Solution
- Step 1: Write the proportion equation
269,516.99 : 371,935.19 = 148,661.54 : x - Step 2: Convert to fraction form
269,516.99/371,935.19 = 148,661.54/x - Step 3: Cross multiply
269,516.99x = 371,935.19 × 148,661.54 - Step 4: Simplify right side
269,516.99x = 55,292,456,637.57 - Step 5: Solve for x
x = 55,292,456,637.57/269,516.99 - Step 6: Final answer
x = 205,153.89
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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.