Finding the Fourth Proportional to 417,946.21, 576,760.71 and 226,960.96
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Solution
The fourth proportional to 417,946.21, 576,760.71 and 226,960.96 is: 313,203.38
Step by Step Solution
- Step 1: Write the proportion equation
417,946.21 : 576,760.71 = 226,960.96 : x - Step 2: Convert to fraction form
417,946.21/576,760.71 = 226,960.96/x - Step 3: Cross multiply
417,946.21x = 576,760.71 × 226,960.96 - Step 4: Simplify right side
417,946.21x = 130,902,164,431.88 - Step 5: Solve for x
x = 130,902,164,431.88/417,946.21 - Step 6: Final answer
x = 313,203.38
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1.5x scale
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.