Finding the Fourth Proportional to 402,279.36, 555,245.28 and 232,488.96
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Solution
The fourth proportional to 402,279.36, 555,245.28 and 232,488.96 is: 320,892.42
Step by Step Solution
- Step 1: Write the proportion equation
402,279.36 : 555,245.28 = 232,488.96 : x - Step 2: Convert to fraction form
402,279.36/555,245.28 = 232,488.96/x - Step 3: Cross multiply
402,279.36x = 555,245.28 × 232,488.96 - Step 4: Simplify right side
402,279.36x = 129,088,397,692.11 - Step 5: Solve for x
x = 129,088,397,692.11/402,279.36 - Step 6: Final answer
x = 320,892.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.