Finding the Fourth Proportional to 417,553.23, 626,023.12 and 133,080.09
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Solution
The fourth proportional to 417,553.23, 626,023.12 and 133,080.09 is: 199,522.38
Step by Step Solution
- Step 1: Write the proportion equation
417,553.23 : 626,023.12 = 133,080.09 : x - Step 2: Convert to fraction form
417,553.23/626,023.12 = 133,080.09/x - Step 3: Cross multiply
417,553.23x = 626,023.12 × 133,080.09 - Step 4: Simplify right side
417,553.23x = 83,311,213,151.68 - Step 5: Solve for x
x = 83,311,213,151.68/417,553.23 - Step 6: Final answer
x = 199,522.38
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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.