Finding the Fourth Proportional to 305,716.17, 458,624.39 and 125,752.82
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Solution
The fourth proportional to 305,716.17, 458,624.39 and 125,752.82 is: 188,649.85
Step by Step Solution
- Step 1: Write the proportion equation
305,716.17 : 458,624.39 = 125,752.82 : x - Step 2: Convert to fraction form
305,716.17/458,624.39 = 125,752.82/x - Step 3: Cross multiply
305,716.17x = 458,624.39 × 125,752.82 - Step 4: Simplify right side
305,716.17x = 57,673,310,881.08 - Step 5: Solve for x
x = 57,673,310,881.08/305,716.17 - Step 6: Final answer
x = 188,649.85
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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.