Finding the Fourth Proportional to 266,405.86, 367,640.36 and 145,549.16
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Solution
The fourth proportional to 266,405.86, 367,640.36 and 145,549.16 is: 200,857.99
Step by Step Solution
- Step 1: Write the proportion equation
266,405.86 : 367,640.36 = 145,549.16 : x - Step 2: Convert to fraction form
266,405.86/367,640.36 = 145,549.16/x - Step 3: Cross multiply
266,405.86x = 367,640.36 × 145,549.16 - Step 4: Simplify right side
266,405.86x = 53,509,745,580.10 - Step 5: Solve for x
x = 53,509,745,580.10/266,405.86 - Step 6: Final answer
x = 200,857.99
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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.