Finding the Fourth Proportional to 417,993.26, 577,069.81 and 275,168.49
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Solution
The fourth proportional to 417,993.26, 577,069.81 and 275,168.49 is: 379,889.92
Step by Step Solution
- Step 1: Write the proportion equation
417,993.26 : 577,069.81 = 275,168.49 : x - Step 2: Convert to fraction form
417,993.26/577,069.81 = 275,168.49/x - Step 3: Cross multiply
417,993.26x = 577,069.81 × 275,168.49 - Step 4: Simplify right side
417,993.26x = 158,791,423,981.10 - Step 5: Solve for x
x = 158,791,423,981.10/417,993.26 - Step 6: Final answer
x = 379,889.92
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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.