Finding the Fourth Proportional to 397,164.99, 595,412.64 and 172,356.08
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Solution
The fourth proportional to 397,164.99, 595,412.64 and 172,356.08 is: 258,388.81
Step by Step Solution
- Step 1: Write the proportion equation
397,164.99 : 595,412.64 = 172,356.08 : x - Step 2: Convert to fraction form
397,164.99/595,412.64 = 172,356.08/x - Step 3: Cross multiply
397,164.99x = 595,412.64 × 172,356.08 - Step 4: Simplify right side
397,164.99x = 102,622,988,612.85 - Step 5: Solve for x
x = 102,622,988,612.85/397,164.99 - Step 6: Final answer
x = 258,388.81
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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.