Finding the Fourth Proportional to 299,317.80, 413,024.67 and 172,034.40
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Solution
The fourth proportional to 299,317.80, 413,024.67 and 172,034.40 is: 237,387.99
Step by Step Solution
- Step 1: Write the proportion equation
299,317.80 : 413,024.67 = 172,034.40 : x - Step 2: Convert to fraction form
299,317.80/413,024.67 = 172,034.40/x - Step 3: Cross multiply
299,317.80x = 413,024.67 × 172,034.40 - Step 4: Simplify right side
299,317.80x = 71,054,451,288.65 - Step 5: Solve for x
x = 71,054,451,288.65/299,317.80 - Step 6: Final answer
x = 237,387.99
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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.