Finding the Fourth Proportional to 328,707.36, 494,234.73 and 302,725.80
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Solution
The fourth proportional to 328,707.36, 494,234.73 and 302,725.80 is: 455,169.62
Step by Step Solution
- Step 1: Write the proportion equation
328,707.36 : 494,234.73 = 302,725.80 : x - Step 2: Convert to fraction form
328,707.36/494,234.73 = 302,725.80/x - Step 3: Cross multiply
328,707.36x = 494,234.73 × 302,725.80 - Step 4: Simplify right side
328,707.36x = 149,617,604,027.03 - Step 5: Solve for x
x = 149,617,604,027.03/328,707.36 - Step 6: Final answer
x = 455,169.62
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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.