Finding the Fourth Proportional to 339,537.48, 509,306.31 and 126,277.53
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Solution
The fourth proportional to 339,537.48, 509,306.31 and 126,277.53 is: 189,416.33
Step by Step Solution
- Step 1: Write the proportion equation
339,537.48 : 509,306.31 = 126,277.53 : x - Step 2: Convert to fraction form
339,537.48/509,306.31 = 126,277.53/x - Step 3: Cross multiply
339,537.48x = 509,306.31 × 126,277.53 - Step 4: Simplify right side
339,537.48x = 64,313,942,840.21 - Step 5: Solve for x
x = 64,313,942,840.21/339,537.48 - Step 6: Final answer
x = 189,416.33
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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.