Finding the Fourth Proportional to 143,639.93, 215,501.00 and 48,890.99
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Solution
The fourth proportional to 143,639.93, 215,501.00 and 48,890.99 is: 73,350.48
Step by Step Solution
- Step 1: Write the proportion equation
143,639.93 : 215,501.00 = 48,890.99 : x - Step 2: Convert to fraction form
143,639.93/215,501.00 = 48,890.99/x - Step 3: Cross multiply
143,639.93x = 215,501.00 × 48,890.99 - Step 4: Simplify right side
143,639.93x = 10,536,057,896.97 - Step 5: Solve for x
x = 10,536,057,896.97/143,639.93 - Step 6: Final answer
x = 73,350.48
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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.