Finding the Fourth Proportional to 358,480.98, 494,709.98 and 205,544.07
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Solution
The fourth proportional to 358,480.98, 494,709.98 and 205,544.07 is: 283,654.38
Step by Step Solution
- Step 1: Write the proportion equation
358,480.98 : 494,709.98 = 205,544.07 : x - Step 2: Convert to fraction form
358,480.98/494,709.98 = 205,544.07/x - Step 3: Cross multiply
358,480.98x = 494,709.98 × 205,544.07 - Step 4: Simplify right side
358,480.98x = 101,684,701,731.10 - Step 5: Solve for x
x = 101,684,701,731.10/358,480.98 - Step 6: Final answer
x = 283,654.38
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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.