Finding the Fourth Proportional to 266,394.09, 367,649.16 and 145,553.52
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Solution
The fourth proportional to 266,394.09, 367,649.16 and 145,553.52 is: 200,877.69
Step by Step Solution
- Step 1: Write the proportion equation
266,394.09 : 367,649.16 = 145,553.52 : x - Step 2: Convert to fraction form
266,394.09/367,649.16 = 145,553.52/x - Step 3: Cross multiply
266,394.09x = 367,649.16 × 145,553.52 - Step 4: Simplify right side
266,394.09x = 53,512,629,363.04 - Step 5: Solve for x
x = 53,512,629,363.04/266,394.09 - Step 6: Final answer
x = 200,877.69
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1.5x scale
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.