Finding the Fourth Proportional to 643,605.24, 965,563.92 and 194,299.28
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Solution
The fourth proportional to 643,605.24, 965,563.92 and 194,299.28 is: 291,496.03
Step by Step Solution
- Step 1: Write the proportion equation
643,605.24 : 965,563.92 = 194,299.28 : x - Step 2: Convert to fraction form
643,605.24/965,563.92 = 194,299.28/x - Step 3: Cross multiply
643,605.24x = 965,563.92 × 194,299.28 - Step 4: Simplify right side
643,605.24x = 187,608,374,449.98 - Step 5: Solve for x
x = 187,608,374,449.98/643,605.24 - Step 6: Final answer
x = 291,496.03
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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.