Finding the Fourth Proportional to 643,903.40, 965,864.01 and 194,627.99
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Solution
The fourth proportional to 643,903.40, 965,864.01 and 194,627.99 is: 291,944.68
Step by Step Solution
- Step 1: Write the proportion equation
643,903.40 : 965,864.01 = 194,627.99 : x - Step 2: Convert to fraction form
643,903.40/965,864.01 = 194,627.99/x - Step 3: Cross multiply
643,903.40x = 965,864.01 × 194,627.99 - Step 4: Simplify right side
643,903.40x = 187,984,170,879.64 - Step 5: Solve for x
x = 187,984,170,879.64/643,903.40 - Step 6: Final answer
x = 291,944.68
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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.