Finding the Fourth Proportional to 672,201.40, 1,008,302.10 and 356,495.80
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Solution
The fourth proportional to 672,201.40, 1,008,302.10 and 356,495.80 is: 534,743.70
Step by Step Solution
- Step 1: Write the proportion equation
672,201.40 : 1,008,302.10 = 356,495.80 : x - Step 2: Convert to fraction form
672,201.40/1,008,302.10 = 356,495.80/x - Step 3: Cross multiply
672,201.40x = 1,008,302.10 × 356,495.80 - Step 4: Simplify right side
672,201.40x = 359,455,463,781.18 - Step 5: Solve for x
x = 359,455,463,781.18/672,201.40 - Step 6: Final answer
x = 534,743.70
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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.