Finding the Fourth Proportional to 205,364.10, 307,441.35 and 153,005.70
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Solution
The fourth proportional to 205,364.10, 307,441.35 and 153,005.70 is: 229,057.95
Step by Step Solution
- Step 1: Write the proportion equation
205,364.10 : 307,441.35 = 153,005.70 : x - Step 2: Convert to fraction form
205,364.10/307,441.35 = 153,005.70/x - Step 3: Cross multiply
205,364.10x = 307,441.35 × 153,005.70 - Step 4: Simplify right side
205,364.10x = 47,040,278,965.70 - Step 5: Solve for x
x = 47,040,278,965.70/205,364.10 - Step 6: Final answer
x = 229,057.95
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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.