Finding the Fourth Proportional to 417,552.23, 626,021.63 and 133,079.09
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Solution
The fourth proportional to 417,552.23, 626,021.63 and 133,079.09 is: 199,520.88
Step by Step Solution
- Step 1: Write the proportion equation
417,552.23 : 626,021.63 = 133,079.09 : x - Step 2: Convert to fraction form
417,552.23/626,021.63 = 133,079.09/x - Step 3: Cross multiply
417,552.23x = 626,021.63 × 133,079.09 - Step 4: Simplify right side
417,552.23x = 83,310,388,175.32 - Step 5: Solve for x
x = 83,310,388,175.32/417,552.23 - Step 6: Final answer
x = 199,520.88
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1.5x scale
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.