Finding the Fourth Proportional to 485,212.44, 669,631.58 and 267,459.77
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Solution
The fourth proportional to 485,212.44, 669,631.58 and 267,459.77 is: 369,115.65
Step by Step Solution
- Step 1: Write the proportion equation
485,212.44 : 669,631.58 = 267,459.77 : x - Step 2: Convert to fraction form
485,212.44/669,631.58 = 267,459.77/x - Step 3: Cross multiply
485,212.44x = 669,631.58 × 267,459.77 - Step 4: Simplify right side
485,212.44x = 179,099,503,686.08 - Step 5: Solve for x
x = 179,099,503,686.08/485,212.44 - Step 6: Final answer
x = 369,115.65
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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.