Finding the Fourth Proportional to 663,676.70, 995,518.65 and 165,040.70
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Solution
The fourth proportional to 663,676.70, 995,518.65 and 165,040.70 is: 247,561.95
Step by Step Solution
- Step 1: Write the proportion equation
663,676.70 : 995,518.65 = 165,040.70 : x - Step 2: Convert to fraction form
663,676.70/995,518.65 = 165,040.70/x - Step 3: Cross multiply
663,676.70x = 995,518.65 × 165,040.70 - Step 4: Simplify right side
663,676.70x = 164,301,094,859.06 - Step 5: Solve for x
x = 164,301,094,859.06/663,676.70 - Step 6: Final answer
x = 247,561.95
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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.