Finding the Fourth Proportional to 626,122.58, 939,258.72 and 221,230.99
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Solution
The fourth proportional to 626,122.58, 939,258.72 and 221,230.99 is: 331,872.92
Step by Step Solution
- Step 1: Write the proportion equation
626,122.58 : 939,258.72 = 221,230.99 : x - Step 2: Convert to fraction form
626,122.58/939,258.72 = 221,230.99/x - Step 3: Cross multiply
626,122.58x = 939,258.72 × 221,230.99 - Step 4: Simplify right side
626,122.58x = 207,793,131,795.44 - Step 5: Solve for x
x = 207,793,131,795.44/626,122.58 - Step 6: Final answer
x = 331,872.92
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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.