Finding the Fourth Proportional to 143,995.07, 215,984.52 and 44,154.98
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Solution
The fourth proportional to 143,995.07, 215,984.52 and 44,154.98 is: 66,229.99
Step by Step Solution
- Step 1: Write the proportion equation
143,995.07 : 215,984.52 = 44,154.98 : x - Step 2: Convert to fraction form
143,995.07/215,984.52 = 44,154.98/x - Step 3: Cross multiply
143,995.07x = 215,984.52 × 44,154.98 - Step 4: Simplify right side
143,995.07x = 9,536,792,160.91 - Step 5: Solve for x
x = 9,536,792,160.91/143,995.07 - Step 6: Final answer
x = 66,229.99
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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.