Finding the Fourth Proportional to 209,155.80, 313,215.30 and 167,683.80
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Solution
The fourth proportional to 209,155.80, 313,215.30 and 167,683.80 is: 251,110.09
Step by Step Solution
- Step 1: Write the proportion equation
209,155.80 : 313,215.30 = 167,683.80 : x - Step 2: Convert to fraction form
209,155.80/313,215.30 = 167,683.80/x - Step 3: Cross multiply
209,155.80x = 313,215.30 × 167,683.80 - Step 4: Simplify right side
209,155.80x = 52,521,131,722.14 - Step 5: Solve for x
x = 52,521,131,722.14/209,155.80 - Step 6: Final answer
x = 251,110.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.