Finding the Fourth Proportional to 202,767.23, 279,813.23 and 112,120.19
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Solution
The fourth proportional to 202,767.23, 279,813.23 and 112,120.19 is: 154,722.79
Step by Step Solution
- Step 1: Write the proportion equation
202,767.23 : 279,813.23 = 112,120.19 : x - Step 2: Convert to fraction form
202,767.23/279,813.23 = 112,120.19/x - Step 3: Cross multiply
202,767.23x = 279,813.23 × 112,120.19 - Step 4: Simplify right side
202,767.23x = 31,372,710,552.45 - Step 5: Solve for x
x = 31,372,710,552.45/202,767.23 - Step 6: Final answer
x = 154,722.79
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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.