Finding the Fourth Proportional to 276,201.93, 381,211.07 and 172,884.07
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Solution
The fourth proportional to 276,201.93, 381,211.07 and 172,884.07 is: 238,612.82
Step by Step Solution
- Step 1: Write the proportion equation
276,201.93 : 381,211.07 = 172,884.07 : x - Step 2: Convert to fraction form
276,201.93/381,211.07 = 172,884.07/x - Step 3: Cross multiply
276,201.93x = 381,211.07 × 172,884.07 - Step 4: Simplify right side
276,201.93x = 65,905,321,310.65 - Step 5: Solve for x
x = 65,905,321,310.65/276,201.93 - Step 6: Final answer
x = 238,612.82
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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.