Finding the Fourth Proportional to 524,133.99, 786,218.42 and 145,022.96
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Solution
The fourth proportional to 524,133.99, 786,218.42 and 145,022.96 is: 217,539.27
Step by Step Solution
- Step 1: Write the proportion equation
524,133.99 : 786,218.42 = 145,022.96 : x - Step 2: Convert to fraction form
524,133.99/786,218.42 = 145,022.96/x - Step 3: Cross multiply
524,133.99x = 786,218.42 × 145,022.96 - Step 4: Simplify right side
524,133.99x = 114,019,724,803.03 - Step 5: Solve for x
x = 114,019,724,803.03/524,133.99 - Step 6: Final answer
x = 217,539.27
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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.