Finding the Fourth Proportional to 522,866.91, 784,218.36 and 143,816.07
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Solution
The fourth proportional to 522,866.91, 784,218.36 and 143,816.07 is: 215,701.55
Step by Step Solution
- Step 1: Write the proportion equation
522,866.91 : 784,218.36 = 143,816.07 : x - Step 2: Convert to fraction form
522,866.91/784,218.36 = 143,816.07/x - Step 3: Cross multiply
522,866.91x = 784,218.36 × 143,816.07 - Step 4: Simplify right side
522,866.91x = 112,783,202,557.05 - Step 5: Solve for x
x = 112,783,202,557.05/522,866.91 - Step 6: Final answer
x = 215,701.55
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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.