Finding the Fourth Proportional to 209,894.11, 314,863.08 and 89,963.08
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Solution
The fourth proportional to 209,894.11, 314,863.08 and 89,963.08 is: 134,954.01
Step by Step Solution
- Step 1: Write the proportion equation
209,894.11 : 314,863.08 = 89,963.08 : x - Step 2: Convert to fraction form
209,894.11/314,863.08 = 89,963.08/x - Step 3: Cross multiply
209,894.11x = 314,863.08 × 89,963.08 - Step 4: Simplify right side
209,894.11x = 28,326,052,455.09 - Step 5: Solve for x
x = 28,326,052,455.09/209,894.11 - Step 6: Final answer
x = 134,954.01
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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.