Finding the Fourth Proportional to 202,675.07, 279,686.67 and 112,028.70
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Solution
The fourth proportional to 202,675.07, 279,686.67 and 112,028.70 is: 154,596.89
Step by Step Solution
- Step 1: Write the proportion equation
202,675.07 : 279,686.67 = 112,028.70 : x - Step 2: Convert to fraction form
202,675.07/279,686.67 = 112,028.70/x - Step 3: Cross multiply
202,675.07x = 279,686.67 × 112,028.70 - Step 4: Simplify right side
202,675.07x = 31,332,934,047.43 - Step 5: Solve for x
x = 31,332,934,047.43/202,675.07 - Step 6: Final answer
x = 154,596.89
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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.