Finding the Fourth Proportional to 371,750.51, 513,771.86 and 281,077.49
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Solution
The fourth proportional to 371,750.51, 513,771.86 and 281,077.49 is: 388,458.66
Step by Step Solution
- Step 1: Write the proportion equation
371,750.51 : 513,771.86 = 281,077.49 : x - Step 2: Convert to fraction form
371,750.51/513,771.86 = 281,077.49/x - Step 3: Cross multiply
371,750.51x = 513,771.86 × 281,077.49 - Step 4: Simplify right side
371,750.51x = 144,409,706,828.56 - Step 5: Solve for x
x = 144,409,706,828.56/371,750.51 - Step 6: Final answer
x = 388,458.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.