Finding the Fourth Proportional to 305,334.05, 458,716.71 and 288,079.70
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Solution
The fourth proportional to 305,334.05, 458,716.71 and 288,079.70 is: 432,794.74
Step by Step Solution
- Step 1: Write the proportion equation
305,334.05 : 458,716.71 = 288,079.70 : x - Step 2: Convert to fraction form
305,334.05/458,716.71 = 288,079.70/x - Step 3: Cross multiply
305,334.05x = 458,716.71 × 288,079.70 - Step 4: Simplify right side
305,334.05x = 132,146,969,908.20 - Step 5: Solve for x
x = 132,146,969,908.20/305,334.05 - Step 6: Final answer
x = 432,794.74
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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.