Finding the Fourth Proportional to 313,246.09, 469,763.82 and 113,524.66
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Solution
The fourth proportional to 313,246.09, 469,763.82 and 113,524.66 is: 170,248.82
Step by Step Solution
- Step 1: Write the proportion equation
313,246.09 : 469,763.82 = 113,524.66 : x - Step 2: Convert to fraction form
313,246.09/469,763.82 = 113,524.66/x - Step 3: Cross multiply
313,246.09x = 469,763.82 × 113,524.66 - Step 4: Simplify right side
313,246.09x = 53,329,777,945.80 - Step 5: Solve for x
x = 53,329,777,945.80/313,246.09 - Step 6: Final answer
x = 170,248.82
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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.