Finding the Fourth Proportional to 209,925.06, 289,682.11 and 118,058.08
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Solution
The fourth proportional to 209,925.06, 289,682.11 and 118,058.08 is: 162,912.01
Step by Step Solution
- Step 1: Write the proportion equation
209,925.06 : 289,682.11 = 118,058.08 : x - Step 2: Convert to fraction form
209,925.06/289,682.11 = 118,058.08/x - Step 3: Cross multiply
209,925.06x = 289,682.11 × 118,058.08 - Step 4: Simplify right side
209,925.06x = 34,199,313,716.95 - Step 5: Solve for x
x = 34,199,313,716.95/209,925.06 - Step 6: Final answer
x = 162,912.01
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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.