Finding the Fourth Proportional to 598,757.28, 898,133.40 and 243,687.12
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Solution
The fourth proportional to 598,757.28, 898,133.40 and 243,687.12 is: 365,529.65
Step by Step Solution
- Step 1: Write the proportion equation
598,757.28 : 898,133.40 = 243,687.12 : x - Step 2: Convert to fraction form
598,757.28/898,133.40 = 243,687.12/x - Step 3: Cross multiply
598,757.28x = 898,133.40 × 243,687.12 - Step 4: Simplify right side
598,757.28x = 218,863,541,621.81 - Step 5: Solve for x
x = 218,863,541,621.81/598,757.28 - Step 6: Final answer
x = 365,529.65
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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.