Finding the Fourth Proportional to 493,837.36, 681,485.72 and 276,044.96
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Solution
The fourth proportional to 493,837.36, 681,485.72 and 276,044.96 is: 380,936.55
Step by Step Solution
- Step 1: Write the proportion equation
493,837.36 : 681,485.72 = 276,044.96 : x - Step 2: Convert to fraction form
493,837.36/681,485.72 = 276,044.96/x - Step 3: Cross multiply
493,837.36x = 681,485.72 × 276,044.96 - Step 4: Simplify right side
493,837.36x = 188,120,698,317.97 - Step 5: Solve for x
x = 188,120,698,317.97/493,837.36 - Step 6: Final answer
x = 380,936.55
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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.