Finding the Fourth Proportional to 676,772.20, 1,015,220.94 and 221,366.02
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Solution
The fourth proportional to 676,772.20, 1,015,220.94 and 221,366.02 is: 332,069.52
Step by Step Solution
- Step 1: Write the proportion equation
676,772.20 : 1,015,220.94 = 221,366.02 : x - Step 2: Convert to fraction form
676,772.20/1,015,220.94 = 221,366.02/x - Step 3: Cross multiply
676,772.20x = 1,015,220.94 × 221,366.02 - Step 4: Simplify right side
676,772.20x = 224,735,418,908.46 - Step 5: Solve for x
x = 224,735,418,908.46/676,772.20 - Step 6: Final answer
x = 332,069.52
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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.