Finding the Fourth Proportional to 399,877.50, 599,982.84 and 175,399.14
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Solution
The fourth proportional to 399,877.50, 599,982.84 and 175,399.14 is: 263,171.78
Step by Step Solution
- Step 1: Write the proportion equation
399,877.50 : 599,982.84 = 175,399.14 : x - Step 2: Convert to fraction form
399,877.50/599,982.84 = 175,399.14/x - Step 3: Cross multiply
399,877.50x = 599,982.84 × 175,399.14 - Step 4: Simplify right side
399,877.50x = 105,236,474,150.76 - Step 5: Solve for x
x = 105,236,474,150.76/399,877.50 - Step 6: Final answer
x = 263,171.78
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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.