Finding the Fourth Proportional to 209,560.52, 314,406.36 and 134,765.12
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Solution
The fourth proportional to 209,560.52, 314,406.36 and 134,765.12 is: 202,189.85
Step by Step Solution
- Step 1: Write the proportion equation
209,560.52 : 314,406.36 = 134,765.12 : x - Step 2: Convert to fraction form
209,560.52/314,406.36 = 134,765.12/x - Step 3: Cross multiply
209,560.52x = 314,406.36 × 134,765.12 - Step 4: Simplify right side
209,560.52x = 42,371,010,834.16 - Step 5: Solve for x
x = 42,371,010,834.16/209,560.52 - Step 6: Final answer
x = 202,189.85
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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.