Finding the Fourth Proportional to 358,278.24, 494,435.76 and 205,345.74
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Solution
The fourth proportional to 358,278.24, 494,435.76 and 205,345.74 is: 283,383.88
Step by Step Solution
- Step 1: Write the proportion equation
358,278.24 : 494,435.76 = 205,345.74 : x - Step 2: Convert to fraction form
358,278.24/494,435.76 = 205,345.74/x - Step 3: Cross multiply
358,278.24x = 494,435.76 × 205,345.74 - Step 4: Simplify right side
358,278.24x = 101,530,277,019.66 - Step 5: Solve for x
x = 101,530,277,019.66/358,278.24 - Step 6: Final answer
x = 283,383.88
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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.