Finding the Fourth Proportional to 417,717.19, 576,401.70 and 233,930.08
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Solution
The fourth proportional to 417,717.19, 576,401.70 and 233,930.08 is: 322,796.62
Step by Step Solution
- Step 1: Write the proportion equation
417,717.19 : 576,401.70 = 233,930.08 : x - Step 2: Convert to fraction form
417,717.19/576,401.70 = 233,930.08/x - Step 3: Cross multiply
417,717.19x = 576,401.70 × 233,930.08 - Step 4: Simplify right side
417,717.19x = 134,837,695,793.14 - Step 5: Solve for x
x = 134,837,695,793.14/417,717.19 - Step 6: Final answer
x = 322,796.62
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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.