Finding the Fourth Proportional to 281,668.14, 422,498.25 and 68,437.62
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Solution
The fourth proportional to 281,668.14, 422,498.25 and 68,437.62 is: 102,655.47
Step by Step Solution
- Step 1: Write the proportion equation
281,668.14 : 422,498.25 = 68,437.62 : x - Step 2: Convert to fraction form
281,668.14/422,498.25 = 68,437.62/x - Step 3: Cross multiply
281,668.14x = 422,498.25 × 68,437.62 - Step 4: Simplify right side
281,668.14x = 28,914,774,684.17 - Step 5: Solve for x
x = 28,914,774,684.17/281,668.14 - Step 6: Final answer
x = 102,655.47
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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.