Finding the Fourth Proportional to 295,964.31, 444,012.21 and 138,106.65
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Solution
The fourth proportional to 295,964.31, 444,012.21 and 138,106.65 is: 207,190.65
Step by Step Solution
- Step 1: Write the proportion equation
295,964.31 : 444,012.21 = 138,106.65 : x - Step 2: Convert to fraction form
295,964.31/444,012.21 = 138,106.65/x - Step 3: Cross multiply
295,964.31x = 444,012.21 × 138,106.65 - Step 4: Simplify right side
295,964.31x = 61,321,038,882.20 - Step 5: Solve for x
x = 61,321,038,882.20/295,964.31 - Step 6: Final answer
x = 207,190.65
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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.