Finding the Fourth Proportional to 589,447.37, 813,437.36 and 321,175.37
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Solution
The fourth proportional to 589,447.37, 813,437.36 and 321,175.37 is: 443,222.00
Step by Step Solution
- Step 1: Write the proportion equation
589,447.37 : 813,437.36 = 321,175.37 : x - Step 2: Convert to fraction form
589,447.37/813,437.36 = 321,175.37/x - Step 3: Cross multiply
589,447.37x = 813,437.36 × 321,175.37 - Step 4: Simplify right side
589,447.37x = 261,256,039,396.76 - Step 5: Solve for x
x = 261,256,039,396.76/589,447.37 - Step 6: Final answer
x = 443,222.00
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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.