Finding the Fourth Proportional to 626,122.08, 939,257.97 and 221,230.49
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Solution
The fourth proportional to 626,122.08, 939,257.97 and 221,230.49 is: 331,872.17
Step by Step Solution
- Step 1: Write the proportion equation
626,122.08 : 939,257.97 = 221,230.49 : x - Step 2: Convert to fraction form
626,122.08/939,257.97 = 221,230.49/x - Step 3: Cross multiply
626,122.08x = 939,257.97 × 221,230.49 - Step 4: Simplify right side
626,122.08x = 207,792,496,243.22 - Step 5: Solve for x
x = 207,792,496,243.22/626,122.08 - Step 6: Final answer
x = 331,872.17
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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.