Finding the Fourth Proportional to 343,176.36, 514,589.01 and 143,442.24
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Solution
The fourth proportional to 343,176.36, 514,589.01 and 143,442.24 is: 215,089.99
Step by Step Solution
- Step 1: Write the proportion equation
343,176.36 : 514,589.01 = 143,442.24 : x - Step 2: Convert to fraction form
343,176.36/514,589.01 = 143,442.24/x - Step 3: Cross multiply
343,176.36x = 514,589.01 × 143,442.24 - Step 4: Simplify right side
343,176.36x = 73,813,800,273.78 - Step 5: Solve for x
x = 73,813,800,273.78/343,176.36 - Step 6: Final answer
x = 215,089.99
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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.