Finding the Fourth Proportional to 266,015.80, 367,110.66 and 145,163.74
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Solution
The fourth proportional to 266,015.80, 367,110.66 and 145,163.74 is: 200,330.79
Step by Step Solution
- Step 1: Write the proportion equation
266,015.80 : 367,110.66 = 145,163.74 : x - Step 2: Convert to fraction form
266,015.80/367,110.66 = 145,163.74/x - Step 3: Cross multiply
266,015.80x = 367,110.66 × 145,163.74 - Step 4: Simplify right side
266,015.80x = 53,291,156,399.47 - Step 5: Solve for x
x = 53,291,156,399.47/266,015.80 - Step 6: Final answer
x = 200,330.79
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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.