Finding the Fourth Proportional to 371,345.44, 512,313.16 and 210,163.52
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Solution
The fourth proportional to 371,345.44, 512,313.16 and 210,163.52 is: 289,944.42
Step by Step Solution
- Step 1: Write the proportion equation
371,345.44 : 512,313.16 = 210,163.52 : x - Step 2: Convert to fraction form
371,345.44/512,313.16 = 210,163.52/x - Step 3: Cross multiply
371,345.44x = 512,313.16 × 210,163.52 - Step 4: Simplify right side
371,345.44x = 107,669,537,047.92 - Step 5: Solve for x
x = 107,669,537,047.92/371,345.44 - Step 6: Final answer
x = 289,944.42
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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.