Finding the Fourth Proportional to 266,560.68, 367,615.62 and 221,166.78
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Solution
The fourth proportional to 266,560.68, 367,615.62 and 221,166.78 is: 305,012.59
Step by Step Solution
- Step 1: Write the proportion equation
266,560.68 : 367,615.62 = 221,166.78 : x - Step 2: Convert to fraction form
266,560.68/367,615.62 = 221,166.78/x - Step 3: Cross multiply
266,560.68x = 367,615.62 × 221,166.78 - Step 4: Simplify right side
266,560.68x = 81,304,362,953.10 - Step 5: Solve for x
x = 81,304,362,953.10/266,560.68 - Step 6: Final answer
x = 305,012.59
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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.