Finding the Fourth Proportional to 143,993.07, 215,981.52 and 44,152.98
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Solution
The fourth proportional to 143,993.07, 215,981.52 and 44,152.98 is: 66,226.99
Step by Step Solution
- Step 1: Write the proportion equation
143,993.07 : 215,981.52 = 44,152.98 : x - Step 2: Convert to fraction form
143,993.07/215,981.52 = 44,152.98/x - Step 3: Cross multiply
143,993.07x = 215,981.52 × 44,152.98 - Step 4: Simplify right side
143,993.07x = 9,536,227,732.93 - Step 5: Solve for x
x = 9,536,227,732.93/143,993.07 - Step 6: Final answer
x = 66,226.99
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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.