Finding the Fourth Proportional to 417,422.17, 576,042.80 and 236,130.26
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Solution
The fourth proportional to 417,422.17, 576,042.80 and 236,130.26 is: 325,859.88
Step by Step Solution
- Step 1: Write the proportion equation
417,422.17 : 576,042.80 = 236,130.26 : x - Step 2: Convert to fraction form
417,422.17/576,042.80 = 236,130.26/x - Step 3: Cross multiply
417,422.17x = 576,042.80 × 236,130.26 - Step 4: Simplify right side
417,422.17x = 136,021,136,394.58 - Step 5: Solve for x
x = 136,021,136,394.58/417,422.17 - Step 6: Final answer
x = 325,859.88
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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.