Finding the Fourth Proportional to 110,454.76, 165,702.66 and 100,438.84
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Solution
The fourth proportional to 110,454.76, 165,702.66 and 100,438.84 is: 150,676.92
Step by Step Solution
- Step 1: Write the proportion equation
110,454.76 : 165,702.66 = 100,438.84 : x - Step 2: Convert to fraction form
110,454.76/165,702.66 = 100,438.84/x - Step 3: Cross multiply
110,454.76x = 165,702.66 × 100,438.84 - Step 4: Simplify right side
110,454.76x = 16,642,982,955.31 - Step 5: Solve for x
x = 16,642,982,955.31/110,454.76 - Step 6: Final answer
x = 150,676.92
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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.