Finding the Fourth Proportional to 266,539.78, 399,563.63 and 133,304.09
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Solution
The fourth proportional to 266,539.78, 399,563.63 and 133,304.09 is: 199,833.08
Step by Step Solution
- Step 1: Write the proportion equation
266,539.78 : 399,563.63 = 133,304.09 : x - Step 2: Convert to fraction form
266,539.78/399,563.63 = 133,304.09/x - Step 3: Cross multiply
266,539.78x = 399,563.63 × 133,304.09 - Step 4: Simplify right side
266,539.78x = 53,263,465,427.73 - Step 5: Solve for x
x = 53,263,465,427.73/266,539.78 - Step 6: Final answer
x = 199,833.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.