Finding the Fourth Proportional to 358,589.63, 494,853.71 and 199,613.63
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Solution
The fourth proportional to 358,589.63, 494,853.71 and 199,613.63 is: 275,466.82
Step by Step Solution
- Step 1: Write the proportion equation
358,589.63 : 494,853.71 = 199,613.63 : x - Step 2: Convert to fraction form
358,589.63/494,853.71 = 199,613.63/x - Step 3: Cross multiply
358,589.63x = 494,853.71 × 199,613.63 - Step 4: Simplify right side
358,589.63x = 98,779,541,899.73 - Step 5: Solve for x
x = 98,779,541,899.73/358,589.63 - Step 6: Final answer
x = 275,466.82
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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.