Finding the Fourth Proportional to 209,686.70, 314,523.36 and 124,879.29
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Solution
The fourth proportional to 209,686.70, 314,523.36 and 124,879.29 is: 187,314.96
Step by Step Solution
- Step 1: Write the proportion equation
209,686.70 : 314,523.36 = 124,879.29 : x - Step 2: Convert to fraction form
209,686.70/314,523.36 = 124,879.29/x - Step 3: Cross multiply
209,686.70x = 314,523.36 × 124,879.29 - Step 4: Simplify right side
209,686.70x = 39,277,453,885.21 - Step 5: Solve for x
x = 39,277,453,885.21/209,686.70 - Step 6: Final answer
x = 187,314.96
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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.