Finding the Fourth Proportional to 202,557.75, 279,529.70 and 113,133.75
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Solution
The fourth proportional to 202,557.75, 279,529.70 and 113,133.75 is: 156,124.58
Step by Step Solution
- Step 1: Write the proportion equation
202,557.75 : 279,529.70 = 113,133.75 : x - Step 2: Convert to fraction form
202,557.75/279,529.70 = 113,133.75/x - Step 3: Cross multiply
202,557.75x = 279,529.70 × 113,133.75 - Step 4: Simplify right side
202,557.75x = 31,624,242,631.71 - Step 5: Solve for x
x = 31,624,242,631.71/202,557.75 - Step 6: Final answer
x = 156,124.58
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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.