Finding the Fourth Proportional to 417,810.97, 576,581.50 and 245,736.19
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Solution
The fourth proportional to 417,810.97, 576,581.50 and 245,736.19 is: 339,117.33
Step by Step Solution
- Step 1: Write the proportion equation
417,810.97 : 576,581.50 = 245,736.19 : x - Step 2: Convert to fraction form
417,810.97/576,581.50 = 245,736.19/x - Step 3: Cross multiply
417,810.97x = 576,581.50 × 245,736.19 - Step 4: Simplify right side
417,810.97x = 141,686,941,034.49 - Step 5: Solve for x
x = 141,686,941,034.49/417,810.97 - Step 6: Final answer
x = 339,117.33
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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.