Finding the Fourth Proportional to 328,964.80, 493,644.06 and 302,195.92
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Solution
The fourth proportional to 328,964.80, 493,644.06 and 302,195.92 is: 453,474.72
Step by Step Solution
- Step 1: Write the proportion equation
328,964.80 : 493,644.06 = 302,195.92 : x - Step 2: Convert to fraction form
328,964.80/493,644.06 = 302,195.92/x - Step 3: Cross multiply
328,964.80x = 493,644.06 × 302,195.92 - Step 4: Simplify right side
328,964.80x = 149,177,220,864.24 - Step 5: Solve for x
x = 149,177,220,864.24/328,964.80 - Step 6: Final answer
x = 453,474.72
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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.