Finding the Fourth Proportional to 492,828.67, 739,248.87 and 193,450.24
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Solution
The fourth proportional to 492,828.67, 739,248.87 and 193,450.24 is: 290,177.66
Step by Step Solution
- Step 1: Write the proportion equation
492,828.67 : 739,248.87 = 193,450.24 : x - Step 2: Convert to fraction form
492,828.67/739,248.87 = 193,450.24/x - Step 3: Cross multiply
492,828.67x = 739,248.87 × 193,450.24 - Step 4: Simplify right side
492,828.67x = 143,007,871,321.23 - Step 5: Solve for x
x = 143,007,871,321.23/492,828.67 - Step 6: Final answer
x = 290,177.66
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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.