Finding the Fourth Proportional to 440,121.20, 607,369.08 and 249,171.44
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Solution
The fourth proportional to 440,121.20, 607,369.08 and 249,171.44 is: 343,857.62
Step by Step Solution
- Step 1: Write the proportion equation
440,121.20 : 607,369.08 = 249,171.44 : x - Step 2: Convert to fraction form
440,121.20/607,369.08 = 249,171.44/x - Step 3: Cross multiply
440,121.20x = 607,369.08 × 249,171.44 - Step 4: Simplify right side
440,121.20x = 151,339,028,275.08 - Step 5: Solve for x
x = 151,339,028,275.08/440,121.20 - Step 6: Final answer
x = 343,857.62
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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.