Finding the Fourth Proportional to 202,687.99, 279,705.30 and 112,047.77
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Solution
The fourth proportional to 202,687.99, 279,705.30 and 112,047.77 is: 154,623.65
Step by Step Solution
- Step 1: Write the proportion equation
202,687.99 : 279,705.30 = 112,047.77 : x - Step 2: Convert to fraction form
202,687.99/279,705.30 = 112,047.77/x - Step 3: Cross multiply
202,687.99x = 279,705.30 × 112,047.77 - Step 4: Simplify right side
202,687.99x = 31,340,355,122.18 - Step 5: Solve for x
x = 31,340,355,122.18/202,687.99 - Step 6: Final answer
x = 154,623.65
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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.