Finding the Fourth Proportional to 227,542.09, 313,872.80 and 147,017.09
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Solution
The fourth proportional to 227,542.09, 313,872.80 and 147,017.09 is: 202,796.18
Step by Step Solution
- Step 1: Write the proportion equation
227,542.09 : 313,872.80 = 147,017.09 : x - Step 2: Convert to fraction form
227,542.09/313,872.80 = 147,017.09/x - Step 3: Cross multiply
227,542.09x = 313,872.80 × 147,017.09 - Step 4: Simplify right side
227,542.09x = 46,144,665,686.15 - Step 5: Solve for x
x = 46,144,665,686.15/227,542.09 - Step 6: Final answer
x = 202,796.18
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1.5x scale
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.