Finding the Fourth Proportional to 170,676.05, 235,435.02 and 99,046.94
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Solution
The fourth proportional to 170,676.05, 235,435.02 and 99,046.94 is: 136,627.95
Step by Step Solution
- Step 1: Write the proportion equation
170,676.05 : 235,435.02 = 99,046.94 : x - Step 2: Convert to fraction form
170,676.05/235,435.02 = 99,046.94/x - Step 3: Cross multiply
170,676.05x = 235,435.02 × 99,046.94 - Step 4: Simplify right side
170,676.05x = 23,319,118,299.84 - Step 5: Solve for x
x = 23,319,118,299.84/170,676.05 - Step 6: Final answer
x = 136,627.95
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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.