Finding the Fourth Proportional to 286,319.36, 395,091.84 and 167,156.48
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Solution
The fourth proportional to 286,319.36, 395,091.84 and 167,156.48 is: 230,659.08
Step by Step Solution
- Step 1: Write the proportion equation
286,319.36 : 395,091.84 = 167,156.48 : x - Step 2: Convert to fraction form
286,319.36/395,091.84 = 167,156.48/x - Step 3: Cross multiply
286,319.36x = 395,091.84 × 167,156.48 - Step 4: Simplify right side
286,319.36x = 66,042,161,251.12 - Step 5: Solve for x
x = 66,042,161,251.12/286,319.36 - Step 6: Final answer
x = 230,659.08
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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.