Finding the Fourth Proportional to 417,575.98, 626,057.25 and 133,102.81
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Solution
The fourth proportional to 417,575.98, 626,057.25 and 133,102.81 is: 199,556.45
Step by Step Solution
- Step 1: Write the proportion equation
417,575.98 : 626,057.25 = 133,102.81 : x - Step 2: Convert to fraction form
417,575.98/626,057.25 = 133,102.81/x - Step 3: Cross multiply
417,575.98x = 626,057.25 × 133,102.81 - Step 4: Simplify right side
417,575.98x = 83,329,979,195.87 - Step 5: Solve for x
x = 83,329,979,195.87/417,575.98 - Step 6: Final answer
x = 199,556.45
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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.