Finding the Fourth Proportional to 266,509.09, 367,783.49 and 145,650.34
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Solution
The fourth proportional to 266,509.09, 367,783.49 and 145,650.34 is: 200,997.99
Step by Step Solution
- Step 1: Write the proportion equation
266,509.09 : 367,783.49 = 145,650.34 : x - Step 2: Convert to fraction form
266,509.09/367,783.49 = 145,650.34/x - Step 3: Cross multiply
266,509.09x = 367,783.49 × 145,650.34 - Step 4: Simplify right side
266,509.09x = 53,567,790,364.89 - Step 5: Solve for x
x = 53,567,790,364.89/266,509.09 - Step 6: Final answer
x = 200,997.99
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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.