Finding the Fourth Proportional to 329,490.08, 494,235.12 and 80,169.92
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Solution
The fourth proportional to 329,490.08, 494,235.12 and 80,169.92 is: 120,254.88
Step by Step Solution
- Step 1: Write the proportion equation
329,490.08 : 494,235.12 = 80,169.92 : x - Step 2: Convert to fraction form
329,490.08/494,235.12 = 80,169.92/x - Step 3: Cross multiply
329,490.08x = 494,235.12 × 80,169.92 - Step 4: Simplify right side
329,490.08x = 39,622,790,031.59 - Step 5: Solve for x
x = 39,622,790,031.59/329,490.08 - Step 6: Final answer
x = 120,254.88
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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.