Finding the Fourth Proportional to 216,058.44, 298,160.70 and 120,565.06
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Solution
The fourth proportional to 216,058.44, 298,160.70 and 120,565.06 is: 166,379.81
Step by Step Solution
- Step 1: Write the proportion equation
216,058.44 : 298,160.70 = 120,565.06 : x - Step 2: Convert to fraction form
216,058.44/298,160.70 = 120,565.06/x - Step 3: Cross multiply
216,058.44x = 298,160.70 × 120,565.06 - Step 4: Simplify right side
216,058.44x = 35,947,761,487.62 - Step 5: Solve for x
x = 35,947,761,487.62/216,058.44 - Step 6: Final answer
x = 166,379.81
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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.