Finding the Fourth Proportional to 283,519.80, 425,279.70 and 126,055.80
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Solution
The fourth proportional to 283,519.80, 425,279.70 and 126,055.80 is: 189,083.70
Step by Step Solution
- Step 1: Write the proportion equation
283,519.80 : 425,279.70 = 126,055.80 : x - Step 2: Convert to fraction form
283,519.80/425,279.70 = 126,055.80/x - Step 3: Cross multiply
283,519.80x = 425,279.70 × 126,055.80 - Step 4: Simplify right side
283,519.80x = 53,608,972,807.26 - Step 5: Solve for x
x = 53,608,972,807.26/283,519.80 - Step 6: Final answer
x = 189,083.70
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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.