Finding the Fourth Proportional to 329,486.64, 494,042.44 and 129,698.68
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Solution
The fourth proportional to 329,486.64, 494,042.44 and 129,698.68 is: 194,474.20
Step by Step Solution
- Step 1: Write the proportion equation
329,486.64 : 494,042.44 = 129,698.68 : x - Step 2: Convert to fraction form
329,486.64/494,042.44 = 129,698.68/x - Step 3: Cross multiply
329,486.64x = 494,042.44 × 129,698.68 - Step 4: Simplify right side
329,486.64x = 64,076,652,331.98 - Step 5: Solve for x
x = 64,076,652,331.98/329,486.64 - Step 6: Final answer
x = 194,474.20
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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.