Finding the Fourth Proportional to 358,338.65, 494,527.75 and 205,402.28
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Solution
The fourth proportional to 358,338.65, 494,527.75 and 205,402.28 is: 283,466.84
Step by Step Solution
- Step 1: Write the proportion equation
358,338.65 : 494,527.75 = 205,402.28 : x - Step 2: Convert to fraction form
358,338.65/494,527.75 = 205,402.28/x - Step 3: Cross multiply
358,338.65x = 494,527.75 × 205,402.28 - Step 4: Simplify right side
358,338.65x = 101,577,124,387.13 - Step 5: Solve for x
x = 101,577,124,387.13/358,338.65 - Step 6: Final answer
x = 283,466.84
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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.