Finding the Fourth Proportional to 377,881.20, 566,821.80 and 125,093.70
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Solution
The fourth proportional to 377,881.20, 566,821.80 and 125,093.70 is: 187,640.55
Step by Step Solution
- Step 1: Write the proportion equation
377,881.20 : 566,821.80 = 125,093.70 : x - Step 2: Convert to fraction form
377,881.20/566,821.80 = 125,093.70/x - Step 3: Cross multiply
377,881.20x = 566,821.80 × 125,093.70 - Step 4: Simplify right side
377,881.20x = 70,905,836,202.66 - Step 5: Solve for x
x = 70,905,836,202.66/377,881.20 - Step 6: Final answer
x = 187,640.55
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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.