Finding the Fourth Proportional to 266,418.15, 367,652.75 and 145,556.84
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Solution
The fourth proportional to 266,418.15, 367,652.75 and 145,556.84 is: 200,866.08
Step by Step Solution
- Step 1: Write the proportion equation
266,418.15 : 367,652.75 = 145,556.84 : x - Step 2: Convert to fraction form
266,418.15/367,652.75 = 145,556.84/x - Step 3: Cross multiply
266,418.15x = 367,652.75 × 145,556.84 - Step 4: Simplify right side
266,418.15x = 53,514,369,941.26 - Step 5: Solve for x
x = 53,514,369,941.26/266,418.15 - Step 6: Final answer
x = 200,866.08
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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.