Finding the Fourth Proportional to 338,546.13, 467,193.72 and 187,643.13
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Solution
The fourth proportional to 338,546.13, 467,193.72 and 187,643.13 is: 258,947.55
Step by Step Solution
- Step 1: Write the proportion equation
338,546.13 : 467,193.72 = 187,643.13 : x - Step 2: Convert to fraction form
338,546.13/467,193.72 = 187,643.13/x - Step 3: Cross multiply
338,546.13x = 467,193.72 × 187,643.13 - Step 4: Simplify right side
338,546.13x = 87,665,691,937.14 - Step 5: Solve for x
x = 87,665,691,937.14/338,546.13 - Step 6: Final answer
x = 258,947.55
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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.