Finding the Fourth Proportional to 151,113.40, 226,475.70 and 91,886.20
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Solution
The fourth proportional to 151,113.40, 226,475.70 and 91,886.20 is: 137,711.09
Step by Step Solution
- Step 1: Write the proportion equation
151,113.40 : 226,475.70 = 91,886.20 : x - Step 2: Convert to fraction form
151,113.40/226,475.70 = 91,886.20/x - Step 3: Cross multiply
151,113.40x = 226,475.70 × 91,886.20 - Step 4: Simplify right side
151,113.40x = 20,809,991,465.34 - Step 5: Solve for x
x = 20,809,991,465.34/151,113.40 - Step 6: Final answer
x = 137,711.09
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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.