Finding the Fourth Proportional to 228,679.80, 343,214.10 and 102,514.20
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Solution
The fourth proportional to 228,679.80, 343,214.10 and 102,514.20 is: 153,858.45
Step by Step Solution
- Step 1: Write the proportion equation
228,679.80 : 343,214.10 = 102,514.20 : x - Step 2: Convert to fraction form
228,679.80/343,214.10 = 102,514.20/x - Step 3: Cross multiply
228,679.80x = 343,214.10 × 102,514.20 - Step 4: Simplify right side
228,679.80x = 35,184,318,890.22 - Step 5: Solve for x
x = 35,184,318,890.22/228,679.80 - Step 6: Final answer
x = 153,858.45
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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.