Finding the Fourth Proportional to 329,710.80, 494,201.70 and 129,964.80
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Solution
The fourth proportional to 329,710.80, 494,201.70 and 129,964.80 is: 194,803.52
Step by Step Solution
- Step 1: Write the proportion equation
329,710.80 : 494,201.70 = 129,964.80 : x - Step 2: Convert to fraction form
329,710.80/494,201.70 = 129,964.80/x - Step 3: Cross multiply
329,710.80x = 494,201.70 × 129,964.80 - Step 4: Simplify right side
329,710.80x = 64,228,825,100.16 - Step 5: Solve for x
x = 64,228,825,100.16/329,710.80 - Step 6: Final answer
x = 194,803.52
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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.