Finding the Fourth Proportional to 165,205.44, 228,077.91 and 108,780.84
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Solution
The fourth proportional to 165,205.44, 228,077.91 and 108,780.84 is: 150,179.72
Step by Step Solution
- Step 1: Write the proportion equation
165,205.44 : 228,077.91 = 108,780.84 : x - Step 2: Convert to fraction form
165,205.44/228,077.91 = 108,780.84/x - Step 3: Cross multiply
165,205.44x = 228,077.91 × 108,780.84 - Step 4: Simplify right side
165,205.44x = 24,810,506,635.24 - Step 5: Solve for x
x = 24,810,506,635.24/165,205.44 - Step 6: Final answer
x = 150,179.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.