Finding the Fourth Proportional to 417,995.06, 577,072.26 and 275,170.28
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Solution
The fourth proportional to 417,995.06, 577,072.26 and 275,170.28 is: 379,892.37
Step by Step Solution
- Step 1: Write the proportion equation
417,995.06 : 577,072.26 = 275,170.28 : x - Step 2: Convert to fraction form
417,995.06/577,072.26 = 275,170.28/x - Step 3: Cross multiply
417,995.06x = 577,072.26 × 275,170.28 - Step 4: Simplify right side
417,995.06x = 158,793,132,479.07 - Step 5: Solve for x
x = 158,793,132,479.07/417,995.06 - Step 6: Final answer
x = 379,892.37
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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.