Finding the Fourth Proportional to 329,530.28, 494,290.81 and 129,852.41
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Solution
The fourth proportional to 329,530.28, 494,290.81 and 129,852.41 is: 194,776.79
Step by Step Solution
- Step 1: Write the proportion equation
329,530.28 : 494,290.81 = 129,852.41 : x - Step 2: Convert to fraction form
329,530.28/494,290.81 = 129,852.41/x - Step 3: Cross multiply
329,530.28x = 494,290.81 × 129,852.41 - Step 4: Simplify right side
329,530.28x = 64,184,850,123.27 - Step 5: Solve for x
x = 64,184,850,123.27/329,530.28 - Step 6: Final answer
x = 194,776.79
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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.