Finding the Fourth Proportional to 396,201.36, 594,281.39 and 129,926.82
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Solution
The fourth proportional to 396,201.36, 594,281.39 and 129,926.82 is: 194,883.46
Step by Step Solution
- Step 1: Write the proportion equation
396,201.36 : 594,281.39 = 129,926.82 : x - Step 2: Convert to fraction form
396,201.36/594,281.39 = 129,926.82/x - Step 3: Cross multiply
396,201.36x = 594,281.39 × 129,926.82 - Step 4: Simplify right side
396,201.36x = 77,213,090,538.25 - Step 5: Solve for x
x = 77,213,090,538.25/396,201.36 - Step 6: Final answer
x = 194,883.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.