Finding the Fourth Proportional to 234,647.14, 352,036.32 and 76,986.31
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Solution
The fourth proportional to 234,647.14, 352,036.32 and 76,986.31 is: 115,500.99
Step by Step Solution
- Step 1: Write the proportion equation
234,647.14 : 352,036.32 = 76,986.31 : x - Step 2: Convert to fraction form
234,647.14/352,036.32 = 76,986.31/x - Step 3: Cross multiply
234,647.14x = 352,036.32 × 76,986.31 - Step 4: Simplify right side
234,647.14x = 27,101,977,262.78 - Step 5: Solve for x
x = 27,101,977,262.78/234,647.14 - Step 6: Final answer
x = 115,500.99
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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.