Finding the Fourth Proportional to 281,663.34, 422,561.48 and 92,122.99
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Solution
The fourth proportional to 281,663.34, 422,561.48 and 92,122.99 is: 138,206.23
Step by Step Solution
- Step 1: Write the proportion equation
281,663.34 : 422,561.48 = 92,122.99 : x - Step 2: Convert to fraction form
281,663.34/422,561.48 = 92,122.99/x - Step 3: Cross multiply
281,663.34x = 422,561.48 × 92,122.99 - Step 4: Simplify right side
281,663.34x = 38,927,626,996.43 - Step 5: Solve for x
x = 38,927,626,996.43/281,663.34 - Step 6: Final answer
x = 138,206.23
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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.