Finding the Fourth Proportional to 321,775.74, 444,044.84 and 178,533.32
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Solution
The fourth proportional to 321,775.74, 444,044.84 and 178,533.32 is: 246,372.82
Step by Step Solution
- Step 1: Write the proportion equation
321,775.74 : 444,044.84 = 178,533.32 : x - Step 2: Convert to fraction form
321,775.74/444,044.84 = 178,533.32/x - Step 3: Cross multiply
321,775.74x = 444,044.84 × 178,533.32 - Step 4: Simplify right side
321,775.74x = 79,276,796,401.18 - Step 5: Solve for x
x = 79,276,796,401.18/321,775.74 - Step 6: Final answer
x = 246,372.82
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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.