Finding the Fourth Proportional to 285,472.80, 393,994.41 and 164,590.44
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Solution
The fourth proportional to 285,472.80, 393,994.41 and 164,590.44 is: 227,158.99
Step by Step Solution
- Step 1: Write the proportion equation
285,472.80 : 393,994.41 = 164,590.44 : x - Step 2: Convert to fraction form
285,472.80/393,994.41 = 164,590.44/x - Step 3: Cross multiply
285,472.80x = 393,994.41 × 164,590.44 - Step 4: Simplify right side
285,472.80x = 64,847,713,299.44 - Step 5: Solve for x
x = 64,847,713,299.44/285,472.80 - Step 6: Final answer
x = 227,158.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.