Finding the Fourth Proportional to 167,238.48, 230,833.35 and 103,540.08
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Solution
The fourth proportional to 167,238.48, 230,833.35 and 103,540.08 is: 142,912.70
Step by Step Solution
- Step 1: Write the proportion equation
167,238.48 : 230,833.35 = 103,540.08 : x - Step 2: Convert to fraction form
167,238.48/230,833.35 = 103,540.08/x - Step 3: Cross multiply
167,238.48x = 230,833.35 × 103,540.08 - Step 4: Simplify right side
167,238.48x = 23,900,503,525.67 - Step 5: Solve for x
x = 23,900,503,525.67/167,238.48 - Step 6: Final answer
x = 142,912.70
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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.