Finding the Fourth Proportional to 266,220.22, 367,398.79 and 145,372.73
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Solution
The fourth proportional to 266,220.22, 367,398.79 and 145,372.73 is: 200,622.49
Step by Step Solution
- Step 1: Write the proportion equation
266,220.22 : 367,398.79 = 145,372.73 : x - Step 2: Convert to fraction form
266,220.22/367,398.79 = 145,372.73/x - Step 3: Cross multiply
266,220.22x = 367,398.79 × 145,372.73 - Step 4: Simplify right side
266,220.22x = 53,409,762,900.57 - Step 5: Solve for x
x = 53,409,762,900.57/266,220.22 - Step 6: Final answer
x = 200,622.49
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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.