Finding the Fourth Proportional to 995,117.70, 1,492,676.55 and 247,163.70
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Solution
The fourth proportional to 995,117.70, 1,492,676.55 and 247,163.70 is: 370,745.55
Step by Step Solution
- Step 1: Write the proportion equation
995,117.70 : 1,492,676.55 = 247,163.70 : x - Step 2: Convert to fraction form
995,117.70/1,492,676.55 = 247,163.70/x - Step 3: Cross multiply
995,117.70x = 1,492,676.55 × 247,163.70 - Step 4: Simplify right side
995,117.70x = 368,935,459,001.24 - Step 5: Solve for x
x = 368,935,459,001.24/995,117.70 - Step 6: Final answer
x = 370,745.55
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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.