Finding the Fourth Proportional to 751,930.64, 1,127,962.50 and 212,191.68
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Solution
The fourth proportional to 751,930.64, 1,127,962.50 and 212,191.68 is: 318,306.30
Step by Step Solution
- Step 1: Write the proportion equation
751,930.64 : 1,127,962.50 = 212,191.68 : x - Step 2: Convert to fraction form
751,930.64/1,127,962.50 = 212,191.68/x - Step 3: Cross multiply
751,930.64x = 1,127,962.50 × 212,191.68 - Step 4: Simplify right side
751,930.64x = 239,344,261,286.14 - Step 5: Solve for x
x = 239,344,261,286.14/751,930.64 - Step 6: Final answer
x = 318,306.30
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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.