Finding the Fourth Proportional to 413,735.72, 620,603.61 and 133,252.97
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Solution
The fourth proportional to 413,735.72, 620,603.61 and 133,252.97 is: 199,879.46
Step by Step Solution
- Step 1: Write the proportion equation
413,735.72 : 620,603.61 = 133,252.97 : x - Step 2: Convert to fraction form
413,735.72/620,603.61 = 133,252.97/x - Step 3: Cross multiply
413,735.72x = 620,603.61 × 133,252.97 - Step 4: Simplify right side
413,735.72x = 82,697,274,225.22 - Step 5: Solve for x
x = 82,697,274,225.22/413,735.72 - Step 6: Final answer
x = 199,879.46
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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.