Finding the Fourth Proportional to 303,115.80, 454,673.70 and 256,459.80
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Solution
The fourth proportional to 303,115.80, 454,673.70 and 256,459.80 is: 384,689.70
Step by Step Solution
- Step 1: Write the proportion equation
303,115.80 : 454,673.70 = 256,459.80 : x - Step 2: Convert to fraction form
303,115.80/454,673.70 = 256,459.80/x - Step 3: Cross multiply
303,115.80x = 454,673.70 × 256,459.80 - Step 4: Simplify right side
303,115.80x = 116,605,526,167.26 - Step 5: Solve for x
x = 116,605,526,167.26/303,115.80 - Step 6: Final answer
x = 384,689.70
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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.