Finding the Fourth Proportional to 303,313.70, 454,970.55 and 134,833.70
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Solution
The fourth proportional to 303,313.70, 454,970.55 and 134,833.70 is: 202,250.55
Step by Step Solution
- Step 1: Write the proportion equation
303,313.70 : 454,970.55 = 134,833.70 : x - Step 2: Convert to fraction form
303,313.70/454,970.55 = 134,833.70/x - Step 3: Cross multiply
303,313.70x = 454,970.55 × 134,833.70 - Step 4: Simplify right side
303,313.70x = 61,345,362,647.54 - Step 5: Solve for x
x = 61,345,362,647.54/303,313.70 - Step 6: Final answer
x = 202,250.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.