Finding the Fourth Proportional to 329,463.03, 494,007.30 and 129,675.12
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Solution
The fourth proportional to 329,463.03, 494,007.30 and 129,675.12 is: 194,438.98
Step by Step Solution
- Step 1: Write the proportion equation
329,463.03 : 494,007.30 = 129,675.12 : x - Step 2: Convert to fraction form
329,463.03/494,007.30 = 129,675.12/x - Step 3: Cross multiply
329,463.03x = 494,007.30 × 129,675.12 - Step 4: Simplify right side
329,463.03x = 64,060,455,908.38 - Step 5: Solve for x
x = 64,060,455,908.38/329,463.03 - Step 6: Final answer
x = 194,438.98
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1.5x scale
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.