Finding the Fourth Proportional to 143,988.47, 216,024.16 and 44,163.31
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Solution
The fourth proportional to 143,988.47, 216,024.16 and 44,163.31 is: 66,257.68
Step by Step Solution
- Step 1: Write the proportion equation
143,988.47 : 216,024.16 = 44,163.31 : x - Step 2: Convert to fraction form
143,988.47/216,024.16 = 44,163.31/x - Step 3: Cross multiply
143,988.47x = 216,024.16 × 44,163.31 - Step 4: Simplify right side
143,988.47x = 9,540,341,945.57 - Step 5: Solve for x
x = 9,540,341,945.57/143,988.47 - Step 6: Final answer
x = 66,257.68
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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.