Finding the Fourth Proportional to 331,314.05, 457,201.28 and 202,468.19
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Solution
The fourth proportional to 331,314.05, 457,201.28 and 202,468.19 is: 279,398.70
Step by Step Solution
- Step 1: Write the proportion equation
331,314.05 : 457,201.28 = 202,468.19 : x - Step 2: Convert to fraction form
331,314.05/457,201.28 = 202,468.19/x - Step 3: Cross multiply
331,314.05x = 457,201.28 × 202,468.19 - Step 4: Simplify right side
331,314.05x = 92,568,712,328.94 - Step 5: Solve for x
x = 92,568,712,328.94/331,314.05 - Step 6: Final answer
x = 279,398.70
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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.