Finding the Fourth Proportional to 234,321.67, 351,409.80 and 84,542.49
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Solution
The fourth proportional to 234,321.67, 351,409.80 and 84,542.49 is: 126,787.50
Step by Step Solution
- Step 1: Write the proportion equation
234,321.67 : 351,409.80 = 84,542.49 : x - Step 2: Convert to fraction form
234,321.67/351,409.80 = 84,542.49/x - Step 3: Cross multiply
234,321.67x = 351,409.80 × 84,542.49 - Step 4: Simplify right side
234,321.67x = 29,709,059,502.40 - Step 5: Solve for x
x = 29,709,059,502.40/234,321.67 - Step 6: Final answer
x = 126,787.50
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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.