Finding the Fourth Proportional to 358,876.20, 539,480.70 and 307,554.60
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Solution
The fourth proportional to 358,876.20, 539,480.70 and 307,554.60 is: 462,331.50
Step by Step Solution
- Step 1: Write the proportion equation
358,876.20 : 539,480.70 = 307,554.60 : x - Step 2: Convert to fraction form
358,876.20/539,480.70 = 307,554.60/x - Step 3: Cross multiply
358,876.20x = 539,480.70 × 307,554.60 - Step 4: Simplify right side
358,876.20x = 165,919,770,896.22 - Step 5: Solve for x
x = 165,919,770,896.22/358,876.20 - Step 6: Final answer
x = 462,331.50
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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.