Finding the Fourth Proportional to 450,556.29, 675,748.28 and 135,013.21
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Solution
The fourth proportional to 450,556.29, 675,748.28 and 135,013.21 is: 202,493.99
Step by Step Solution
- Step 1: Write the proportion equation
450,556.29 : 675,748.28 = 135,013.21 : x - Step 2: Convert to fraction form
450,556.29/675,748.28 = 135,013.21/x - Step 3: Cross multiply
450,556.29x = 675,748.28 × 135,013.21 - Step 4: Simplify right side
450,556.29x = 91,234,943,082.94 - Step 5: Solve for x
x = 91,234,943,082.94/450,556.29 - Step 6: Final answer
x = 202,493.99
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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.