Finding the Fourth Proportional to 522,793.64, 784,227.95 and 218,881.97
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Solution
The fourth proportional to 522,793.64, 784,227.95 and 218,881.97 is: 328,338.65
Step by Step Solution
- Step 1: Write the proportion equation
522,793.64 : 784,227.95 = 218,881.97 : x - Step 2: Convert to fraction form
522,793.64/784,227.95 = 218,881.97/x - Step 3: Cross multiply
522,793.64x = 784,227.95 × 218,881.97 - Step 4: Simplify right side
522,793.64x = 171,653,358,625.06 - Step 5: Solve for x
x = 171,653,358,625.06/522,793.64 - Step 6: Final answer
x = 328,338.65
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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.