Finding the Fourth Proportional to 417,826.97, 576,636.90 and 236,570.84
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Solution
The fourth proportional to 417,826.97, 576,636.90 and 236,570.84 is: 326,487.96
Step by Step Solution
- Step 1: Write the proportion equation
417,826.97 : 576,636.90 = 236,570.84 : x - Step 2: Convert to fraction form
417,826.97/576,636.90 = 236,570.84/x - Step 3: Cross multiply
417,826.97x = 576,636.90 × 236,570.84 - Step 4: Simplify right side
417,826.97x = 136,415,472,924.81 - Step 5: Solve for x
x = 136,415,472,924.81/417,826.97 - Step 6: Final answer
x = 326,487.96
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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.