Finding the Fourth Proportional to 417,846.77, 576,642.33 and 236,555.00
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Solution
The fourth proportional to 417,846.77, 576,642.33 and 236,555.00 is: 326,453.70
Step by Step Solution
- Step 1: Write the proportion equation
417,846.77 : 576,642.33 = 236,555.00 : x - Step 2: Convert to fraction form
417,846.77/576,642.33 = 236,555.00/x - Step 3: Cross multiply
417,846.77x = 576,642.33 × 236,555.00 - Step 4: Simplify right side
417,846.77x = 136,407,623,489.94 - Step 5: Solve for x
x = 136,407,623,489.94/417,846.77 - Step 6: Final answer
x = 326,453.70
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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.