Finding the Fourth Proportional to 643,541.92, 965,438.70 and 194,299.36
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Solution
The fourth proportional to 643,541.92, 965,438.70 and 194,299.36 is: 291,487.03
Step by Step Solution
- Step 1: Write the proportion equation
643,541.92 : 965,438.70 = 194,299.36 : x - Step 2: Convert to fraction form
643,541.92/965,438.70 = 194,299.36/x - Step 3: Cross multiply
643,541.92x = 965,438.70 × 194,299.36 - Step 4: Simplify right side
643,541.92x = 187,584,121,529.23 - Step 5: Solve for x
x = 187,584,121,529.23/643,541.92 - Step 6: Final answer
x = 291,487.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.