Finding the Fourth Proportional to 511,883.62, 767,497.36 and 212,570.80
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Solution
The fourth proportional to 511,883.62, 767,497.36 and 212,570.80 is: 318,719.96
Step by Step Solution
- Step 1: Write the proportion equation
511,883.62 : 767,497.36 = 212,570.80 : x - Step 2: Convert to fraction form
511,883.62/767,497.36 = 212,570.80/x - Step 3: Cross multiply
511,883.62x = 767,497.36 × 212,570.80 - Step 4: Simplify right side
511,883.62x = 163,147,527,813.09 - Step 5: Solve for x
x = 163,147,527,813.09/511,883.62 - Step 6: Final answer
x = 318,719.96
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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.