Finding the Fourth Proportional to 143,988.96, 216,024.90 and 44,163.81
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Solution
The fourth proportional to 143,988.96, 216,024.90 and 44,163.81 is: 66,258.43
Step by Step Solution
- Step 1: Write the proportion equation
143,988.96 : 216,024.90 = 44,163.81 : x - Step 2: Convert to fraction form
143,988.96/216,024.90 = 44,163.81/x - Step 3: Cross multiply
143,988.96x = 216,024.90 × 44,163.81 - Step 4: Simplify right side
143,988.96x = 9,540,482,638.87 - Step 5: Solve for x
x = 9,540,482,638.87/143,988.96 - Step 6: Final answer
x = 66,258.43
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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.