Finding the Fourth Proportional to 331,467.21, 457,410.06 and 193,658.94
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Solution
The fourth proportional to 331,467.21, 457,410.06 and 193,658.94 is: 267,240.75
Step by Step Solution
- Step 1: Write the proportion equation
331,467.21 : 457,410.06 = 193,658.94 : x - Step 2: Convert to fraction form
331,467.21/457,410.06 = 193,658.94/x - Step 3: Cross multiply
331,467.21x = 457,410.06 × 193,658.94 - Step 4: Simplify right side
331,467.21x = 88,581,547,364.94 - Step 5: Solve for x
x = 88,581,547,364.94/331,467.21 - Step 6: Final answer
x = 267,240.75
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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.