Finding the Fourth Proportional to 417,934.36, 576,756.12 and 236,641.44
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Solution
The fourth proportional to 417,934.36, 576,756.12 and 236,641.44 is: 326,568.98
Step by Step Solution
- Step 1: Write the proportion equation
417,934.36 : 576,756.12 = 236,641.44 : x - Step 2: Convert to fraction form
417,934.36/576,756.12 = 236,641.44/x - Step 3: Cross multiply
417,934.36x = 576,756.12 × 236,641.44 - Step 4: Simplify right side
417,934.36x = 136,484,398,765.61 - Step 5: Solve for x
x = 136,484,398,765.61/417,934.36 - Step 6: Final answer
x = 326,568.98
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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.