Finding the Fourth Proportional to 371,778.56, 513,052.62 and 210,633.26
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Solution
The fourth proportional to 371,778.56, 513,052.62 and 210,633.26 is: 290,672.88
Step by Step Solution
- Step 1: Write the proportion equation
371,778.56 : 513,052.62 = 210,633.26 : x - Step 2: Convert to fraction form
371,778.56/513,052.62 = 210,633.26/x - Step 3: Cross multiply
371,778.56x = 513,052.62 × 210,633.26 - Step 4: Simplify right side
371,778.56x = 108,065,945,902.14 - Step 5: Solve for x
x = 108,065,945,902.14/371,778.56 - Step 6: Final answer
x = 290,672.88
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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.