Finding the Fourth Proportional to 300,721.41, 414,995.40 and 164,763.99
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Solution
The fourth proportional to 300,721.41, 414,995.40 and 164,763.99 is: 227,374.23
Step by Step Solution
- Step 1: Write the proportion equation
300,721.41 : 414,995.40 = 164,763.99 : x - Step 2: Convert to fraction form
300,721.41/414,995.40 = 164,763.99/x - Step 3: Cross multiply
300,721.41x = 414,995.40 × 164,763.99 - Step 4: Simplify right side
300,721.41x = 68,376,297,935.65 - Step 5: Solve for x
x = 68,376,297,935.65/300,721.41 - Step 6: Final answer
x = 227,374.23
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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.