Finding the Fourth Proportional to 151,319.40, 226,979.10 and 134,989.80
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Solution
The fourth proportional to 151,319.40, 226,979.10 and 134,989.80 is: 202,484.70
Step by Step Solution
- Step 1: Write the proportion equation
151,319.40 : 226,979.10 = 134,989.80 : x - Step 2: Convert to fraction form
151,319.40/226,979.10 = 134,989.80/x - Step 3: Cross multiply
151,319.40x = 226,979.10 × 134,989.80 - Step 4: Simplify right side
151,319.40x = 30,639,863,313.18 - Step 5: Solve for x
x = 30,639,863,313.18/151,319.40 - Step 6: Final answer
x = 202,484.70
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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.